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1  // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2  // Use of this source code is governed by a BSD-style license that can be
3  // found in the LICENSE file.
4  
5  #include "chrome/common/pref_names.h"
6  
7  #include "base/basictypes.h"
8  #include "chrome/common/pref_font_webkit_names.h"
9  
10  namespace prefs {
11  
12  // *************** PROFILE PREFS ***************
13  // These are attached to the user profile
14  
15  // A string property indicating whether default apps should be installed
16  // in this profile.  Use the value "install" to enable defaults apps, or
17  // "noinstall" to disable them.  This property is usually set in the
18  // master_preferences and copied into the profile preferences on first run.
19  // Defaults apps are installed only when creating a new profile.
20  const char kDefaultApps[] = "default_apps";
21  
22  // Whether we have installed default apps yet in this profile.
23  const char kDefaultAppsInstalled[] = "default_apps_installed";
24  
25  // Disables screenshot accelerators and extension APIs.
26  // This setting resides both in profile prefs and local state. Accelerator
27  // handling code reads local state, while extension APIs use profile pref.
28  const char kDisableScreenshots[] = "disable_screenshots";
29  
30  // A boolean specifying whether the New Tab page is the home page or not.
31  const char kHomePageIsNewTabPage[] = "homepage_is_newtabpage";
32  
33  // This is the URL of the page to load when opening new tabs.
34  const char kHomePage[] = "homepage";
35  
36  // Maps host names to whether the host is manually allowed or blocked.
37  const char kManagedModeManualHosts[] = "profile.managed.manual_hosts";
38  // Maps URLs to whether the URL is manually allowed or blocked.
39  const char kManagedModeManualURLs[] = "profile.managed.manual_urls";
40  
41  // Stores the email address associated with the google account of the custodian
42  // of the managed user, set when the managed user is created.
43  const char kManagedUserCustodianEmail[] = "profile.managed.custodian_email";
44  
45  // Stores the display name associated with the google account of the custodian
46  // of the managed user, updated (if possible) each time the managed user
47  // starts a session.
48  const char kManagedUserCustodianName[] = "profile.managed.custodian_name";
49  
50  // An integer that keeps track of the profile icon version. This allows us to
51  // determine the state of the profile icon for icon format changes.
52  const char kProfileIconVersion[] = "profile.icon_version";
53  
54  // Used to determine if the last session exited cleanly. Set to false when
55  // first opened, and to true when closing. On startup if the value is false,
56  // it means the profile didn't exit cleanly.
57  // DEPRECATED: this is replaced by kSessionExitType and exists for backwards
58  // compatability.
59  const char kSessionExitedCleanly[] = "profile.exited_cleanly";
60  
61  // A string pref whose values is one of the values defined by
62  // |ProfileImpl::kPrefExitTypeXXX|. Set to |kPrefExitTypeCrashed| on startup and
63  // one of |kPrefExitTypeNormal| or |kPrefExitTypeSessionEnded| during
64  // shutdown. Used to determine the exit type the last time the profile was open.
65  const char kSessionExitType[] = "profile.exit_type";
66  
67  // An integer pref. Holds one of several values:
68  // 0: (deprecated) open the homepage on startup.
69  // 1: restore the last session.
70  // 2: this was used to indicate a specific session should be restored. It is
71  //    no longer used, but saved to avoid conflict with old preferences.
72  // 3: unused, previously indicated the user wants to restore a saved session.
73  // 4: restore the URLs defined in kURLsToRestoreOnStartup.
74  // 5: open the New Tab Page on startup.
75  const char kRestoreOnStartup[] = "session.restore_on_startup";
76  
77  // A preference to keep track of whether we have already checked whether we
78  // need to migrate the user from kRestoreOnStartup=0 to kRestoreOnStartup=4.
79  // We only need to do this check once, on upgrade from m18 or lower to m19 or
80  // higher.
81  const char kRestoreOnStartupMigrated[] = "session.restore_on_startup_migrated";
82  
83  // The URLs to restore on startup or when the home button is pressed. The URLs
84  // are only restored on startup if kRestoreOnStartup is 4.
85  const char kURLsToRestoreOnStartup[] = "session.startup_urls";
86  
87  // Old startup url pref name for kURLsToRestoreOnStartup.
88  const char kURLsToRestoreOnStartupOld[] = "session.urls_to_restore_on_startup";
89  
90  // Serialized migration time of kURLsToRestoreOnStartup (see
91  // base::Time::ToInternalValue for details on serialization format).
92  const char kRestoreStartupURLsMigrationTime[] =
93      "session.startup_urls_migration_time";
94  
95  // If set to true profiles are created in ephemeral mode and do not store their
96  // data in the profile folder on disk but only in memory.
97  const char kForceEphemeralProfiles[] = "profile.ephemeral_mode";
98  
99  // The application locale.
100  // For OS_CHROMEOS we maintain kApplicationLocale property in both local state
101  // and user's profile.  Global property determines locale of login screen,
102  // while user's profile determines his personal locale preference.
103  const char kApplicationLocale[] = "intl.app_locale";
104  #if defined(OS_CHROMEOS)
105  // Locale preference of device' owner.  ChromeOS device appears in this locale
106  // after startup/wakeup/signout.
107  const char kOwnerLocale[] = "intl.owner_locale";
108  // Locale accepted by user.  Non-syncable.
109  // Used to determine whether we need to show Locale Change notification.
110  const char kApplicationLocaleAccepted[] = "intl.app_locale_accepted";
111  // Non-syncable item.
112  // It is used in two distinct ways.
113  // (1) Used for two-step initialization of locale in ChromeOS
114  //     because synchronization of kApplicationLocale is not instant.
115  // (2) Used to detect locale change.  Locale change is detected by
116  //     LocaleChangeGuard in case values of kApplicationLocaleBackup and
117  //     kApplicationLocale are both non-empty and differ.
118  // Following is a table showing how state of those prefs may change upon
119  // common real-life use cases:
120  //                                  AppLocale Backup Accepted
121  // Initial login                       -        A       -
122  // Sync                                B        A       -
123  // Accept (B)                          B        B       B
124  // -----------------------------------------------------------
125  // Initial login                       -        A       -
126  // No sync and second login            A        A       -
127  // Change options                      B        B       -
128  // -----------------------------------------------------------
129  // Initial login                       -        A       -
130  // Sync                                A        A       -
131  // Locale changed on login screen      A        C       -
132  // Accept (A)                          A        A       A
133  // -----------------------------------------------------------
134  // Initial login                       -        A       -
135  // Sync                                B        A       -
136  // Revert                              A        A       -
137  const char kApplicationLocaleBackup[] = "intl.app_locale_backup";
138  #endif
139  
140  // The default character encoding to assume for a web page in the
141  // absence of MIME charset specification
142  const char kDefaultCharset[] = "intl.charset_default";
143  
144  // The value to use for Accept-Languages HTTP header when making an HTTP
145  // request.
146  const char kAcceptLanguages[] = "intl.accept_languages";
147  
148  // The value to use for showing locale-dependent encoding list for different
149  // locale, it's initialized from the corresponding string resource that is
150  // stored in non-translatable part of the resource bundle.
151  const char kStaticEncodings[] = "intl.static_encodings";
152  
153  // If these change, the corresponding enums in the extension API
154  // experimental.fontSettings.json must also change.
155  const char* const kWebKitScriptsForFontFamilyMaps[] = {
156  #define EXPAND_SCRIPT_FONT(x, script_name) script_name ,
157  #include "chrome/common/pref_font_script_names-inl.h"
158  ALL_FONT_SCRIPTS("unused param")
159  #undef EXPAND_SCRIPT_FONT
160  };
161  
162  const size_t kWebKitScriptsForFontFamilyMapsLength =
163      arraysize(kWebKitScriptsForFontFamilyMaps);
164  
165  // Strings for WebKit font family preferences. If these change, the pref prefix
166  // in pref_names_util.cc and the pref format in font_settings_api.cc must also
167  // change.
168  const char kWebKitStandardFontFamilyMap[] =
169      WEBKIT_WEBPREFS_FONTS_STANDARD;
170  const char kWebKitFixedFontFamilyMap[] =
171      WEBKIT_WEBPREFS_FONTS_FIXED;
172  const char kWebKitSerifFontFamilyMap[] =
173      WEBKIT_WEBPREFS_FONTS_SERIF;
174  const char kWebKitSansSerifFontFamilyMap[] =
175      WEBKIT_WEBPREFS_FONTS_SANSERIF;
176  const char kWebKitCursiveFontFamilyMap[] =
177      WEBKIT_WEBPREFS_FONTS_CURSIVE;
178  const char kWebKitFantasyFontFamilyMap[] =
179      WEBKIT_WEBPREFS_FONTS_FANTASY;
180  const char kWebKitPictographFontFamilyMap[] =
181      WEBKIT_WEBPREFS_FONTS_PICTOGRAPH;
182  const char kWebKitStandardFontFamilyArabic[] =
183      "webkit.webprefs.fonts.standard.Arab";
184  const char kWebKitFixedFontFamilyArabic[] =
185      "webkit.webprefs.fonts.fixed.Arab";
186  const char kWebKitSerifFontFamilyArabic[] =
187      "webkit.webprefs.fonts.serif.Arab";
188  const char kWebKitSansSerifFontFamilyArabic[] =
189      "webkit.webprefs.fonts.sansserif.Arab";
190  const char kWebKitStandardFontFamilyCyrillic[] =
191      "webkit.webprefs.fonts.standard.Cyrl";
192  const char kWebKitFixedFontFamilyCyrillic[] =
193      "webkit.webprefs.fonts.fixed.Cyrl";
194  const char kWebKitSerifFontFamilyCyrillic[] =
195      "webkit.webprefs.fonts.serif.Cyrl";
196  const char kWebKitSansSerifFontFamilyCyrillic[] =
197      "webkit.webprefs.fonts.sansserif.Cyrl";
198  const char kWebKitStandardFontFamilyGreek[] =
199      "webkit.webprefs.fonts.standard.Grek";
200  const char kWebKitFixedFontFamilyGreek[] =
201      "webkit.webprefs.fonts.fixed.Grek";
202  const char kWebKitSerifFontFamilyGreek[] =
203      "webkit.webprefs.fonts.serif.Grek";
204  const char kWebKitSansSerifFontFamilyGreek[] =
205      "webkit.webprefs.fonts.sansserif.Grek";
206  const char kWebKitStandardFontFamilyJapanese[] =
207      "webkit.webprefs.fonts.standard.Jpan";
208  const char kWebKitFixedFontFamilyJapanese[] =
209      "webkit.webprefs.fonts.fixed.Jpan";
210  const char kWebKitSerifFontFamilyJapanese[] =
211      "webkit.webprefs.fonts.serif.Jpan";
212  const char kWebKitSansSerifFontFamilyJapanese[] =
213      "webkit.webprefs.fonts.sansserif.Jpan";
214  const char kWebKitStandardFontFamilyKorean[] =
215      "webkit.webprefs.fonts.standard.Hang";
216  const char kWebKitFixedFontFamilyKorean[] =
217      "webkit.webprefs.fonts.fixed.Hang";
218  const char kWebKitSerifFontFamilyKorean[] =
219      "webkit.webprefs.fonts.serif.Hang";
220  const char kWebKitSansSerifFontFamilyKorean[] =
221      "webkit.webprefs.fonts.sansserif.Hang";
222  const char kWebKitCursiveFontFamilyKorean[] =
223      "webkit.webprefs.fonts.cursive.Hang";
224  const char kWebKitStandardFontFamilySimplifiedHan[] =
225      "webkit.webprefs.fonts.standard.Hans";
226  const char kWebKitFixedFontFamilySimplifiedHan[] =
227      "webkit.webprefs.fonts.fixed.Hans";
228  const char kWebKitSerifFontFamilySimplifiedHan[] =
229      "webkit.webprefs.fonts.serif.Hans";
230  const char kWebKitSansSerifFontFamilySimplifiedHan[] =
231      "webkit.webprefs.fonts.sansserif.Hans";
232  const char kWebKitStandardFontFamilyTraditionalHan[] =
233      "webkit.webprefs.fonts.standard.Hant";
234  const char kWebKitFixedFontFamilyTraditionalHan[] =
235      "webkit.webprefs.fonts.fixed.Hant";
236  const char kWebKitSerifFontFamilyTraditionalHan[] =
237      "webkit.webprefs.fonts.serif.Hant";
238  const char kWebKitSansSerifFontFamilyTraditionalHan[] =
239      "webkit.webprefs.fonts.sansserif.Hant";
240  
241  // WebKit preferences.
242  const char kWebKitWebSecurityEnabled[] = "webkit.webprefs.web_security_enabled";
243  const char kWebKitDomPasteEnabled[] = "webkit.webprefs.dom_paste_enabled";
244  const char kWebKitShrinksStandaloneImagesToFit[] =
245      "webkit.webprefs.shrinks_standalone_images_to_fit";
246  const char kWebKitInspectorSettings[] = "webkit.webprefs.inspector_settings";
247  const char kWebKitUsesUniversalDetector[] =
248      "webkit.webprefs.uses_universal_detector";
249  const char kWebKitTextAreasAreResizable[] =
250      "webkit.webprefs.text_areas_are_resizable";
251  const char kWebKitJavaEnabled[] = "webkit.webprefs.java_enabled";
252  const char kWebkitTabsToLinks[] = "webkit.webprefs.tabs_to_links";
253  const char kWebKitAllowDisplayingInsecureContent[] =
254      "webkit.webprefs.allow_displaying_insecure_content";
255  const char kWebKitAllowRunningInsecureContent[] =
256      "webkit.webprefs.allow_running_insecure_content";
257  #if defined(OS_ANDROID)
258  const char kWebKitFontScaleFactor[] = "webkit.webprefs.font_scale_factor";
259  const char kWebKitForceEnableZoom[] = "webkit.webprefs.force_enable_zoom";
260  const char kWebKitPasswordEchoEnabled[] =
261      "webkit.webprefs.password_echo_enabled";
262  #endif
263  
264  const char kWebKitCommonScript[] = "Zyyy";
265  const char kWebKitStandardFontFamily[] = "webkit.webprefs.fonts.standard.Zyyy";
266  const char kWebKitFixedFontFamily[] = "webkit.webprefs.fonts.fixed.Zyyy";
267  const char kWebKitSerifFontFamily[] = "webkit.webprefs.fonts.serif.Zyyy";
268  const char kWebKitSansSerifFontFamily[] =
269      "webkit.webprefs.fonts.sansserif.Zyyy";
270  const char kWebKitCursiveFontFamily[] = "webkit.webprefs.fonts.cursive.Zyyy";
271  const char kWebKitFantasyFontFamily[] = "webkit.webprefs.fonts.fantasy.Zyyy";
272  const char kWebKitPictographFontFamily[] =
273      "webkit.webprefs.fonts.pictograph.Zyyy";
274  const char kWebKitDefaultFontSize[] = "webkit.webprefs.default_font_size";
275  const char kWebKitDefaultFixedFontSize[] =
276      "webkit.webprefs.default_fixed_font_size";
277  const char kWebKitMinimumFontSize[] = "webkit.webprefs.minimum_font_size";
278  const char kWebKitMinimumLogicalFontSize[] =
279      "webkit.webprefs.minimum_logical_font_size";
280  const char kWebKitJavascriptEnabled[] = "webkit.webprefs.javascript_enabled";
281  const char kWebKitJavascriptCanOpenWindowsAutomatically[] =
282      "webkit.webprefs.javascript_can_open_windows_automatically";
283  const char kWebKitLoadsImagesAutomatically[] =
284      "webkit.webprefs.loads_images_automatically";
285  const char kWebKitPluginsEnabled[] = "webkit.webprefs.plugins_enabled";
286  
287  // Boolean which specifies whether the bookmark bar is visible on all tabs.
288  const char kShowBookmarkBar[] = "bookmark_bar.show_on_all_tabs";
289  
290  // Boolean which specifies whether the apps shortcut is visible on the bookmark
291  // bar.
292  const char kShowAppsShortcutInBookmarkBar[] = "bookmark_bar.show_apps_shortcut";
293  
294  // Boolean which specifies the ids of the bookmark nodes that are expanded in
295  // the bookmark editor.
296  const char kBookmarkEditorExpandedNodes[] = "bookmark_editor.expanded_nodes";
297  
298  // Boolean controlling whether password generation is enabled (will allow users
299  // to generated passwords on account creation pages).
300  const char kPasswordGenerationEnabled[] = "password_generation.enabled";
301  
302  // Boolean that is true if the password manager is on (will record new
303  // passwords and fill in known passwords).
304  const char kPasswordManagerEnabled[] = "profile.password_manager_enabled";
305  
306  // Boolean controlling whether the password manager allows to retrieve passwords
307  // in clear text.
308  const char kPasswordManagerAllowShowPasswords[] =
309      "profile.password_manager_allow_show_passwords";
310  
311  // A list of numbers. Each number corresponds to one of the domains monitored
312  // for save-password-prompt breakages. That number is a random index into
313  // the array of groups containing the monitored domain. That group should be
314  // used for reporting that domain.
315  const char kPasswordManagerGroupsForDomains[] =
316      "profile.password_manager_groups_for_domains";
317  
318  // Booleans identifying whether normal and reverse auto-logins are enabled.
319  const char kAutologinEnabled[] = "autologin.enabled";
320  const char kReverseAutologinEnabled[] = "reverse_autologin.enabled";
321  
322  // List to keep track of emails for which the user has rejected one-click
323  // sign-in.
324  const char kReverseAutologinRejectedEmailList[] =
325      "reverse_autologin.rejected_email_list";
326  
327  // Boolean that is true when SafeBrowsing is enabled.
328  const char kSafeBrowsingEnabled[] = "safebrowsing.enabled";
329  
330  // Boolean that is true when SafeBrowsing Malware Report is enabled.
331  const char kSafeBrowsingReportingEnabled[] =
332      "safebrowsing.reporting_enabled";
333  
334  // Boolean that is true when the SafeBrowsing interstitial should not allow
335  // users to proceed anyway.
336  const char kSafeBrowsingProceedAnywayDisabled[] =
337      "safebrowsing.proceed_anyway_disabled";
338  
339  // Enum that specifies whether Incognito mode is:
340  // 0 - Enabled. Default behaviour. Default mode is available on demand.
341  // 1 - Disabled. Used cannot browse pages in Incognito mode.
342  // 2 - Forced. All pages/sessions are forced into Incognito.
343  const char kIncognitoModeAvailability[] = "incognito.mode_availability";
344  
345  // Boolean that is true when Suggest support is enabled.
346  const char kSearchSuggestEnabled[] = "search.suggest_enabled";
347  
348  // Boolean that indicates whether the browser should put up a confirmation
349  // window when the user is attempting to quit. Mac only.
350  const char kConfirmToQuitEnabled[] = "browser.confirm_to_quit";
351  
352  // OBSOLETE.  Enum that specifies whether to enforce a third-party cookie
353  // blocking policy.  This has been superseded by kDefaultContentSettings +
354  // kBlockThirdPartyCookies.
355  // 0 - allow all cookies.
356  // 1 - block third-party cookies
357  // 2 - block all cookies
358  const char kCookieBehavior[] = "security.cookie_behavior";
359  
360  // The GUID of the synced default search provider. Note that this acts like a
361  // pointer to which synced search engine should be the default, rather than the
362  // prefs below which describe the locally saved default search provider details
363  // (and are not synced). This is ignored in the case of the default search
364  // provider being managed by policy.
365  const char kSyncedDefaultSearchProviderGUID[] =
366      "default_search_provider.synced_guid";
367  
368  // Whether having a default search provider is enabled.
369  const char kDefaultSearchProviderEnabled[] =
370      "default_search_provider.enabled";
371  
372  // The URL (as understood by TemplateURLRef) the default search provider uses
373  // for searches.
374  const char kDefaultSearchProviderSearchURL[] =
375      "default_search_provider.search_url";
376  
377  // The URL (as understood by TemplateURLRef) the default search provider uses
378  // for suggestions.
379  const char kDefaultSearchProviderSuggestURL[] =
380      "default_search_provider.suggest_url";
381  
382  // The URL (as understood by TemplateURLRef) the default search provider uses
383  // for instant results.
384  const char kDefaultSearchProviderInstantURL[] =
385      "default_search_provider.instant_url";
386  
387  // The URL (as understood by TemplateURLRef) the default search provider uses
388  // for image search results.
389  const char kDefaultSearchProviderImageURL[] =
390      "default_search_provider.image_url";
391  
392  // The URL (as understood by TemplateURLRef) the default search provider uses
393  // for the new tab page.
394  const char kDefaultSearchProviderNewTabURL[] =
395      "default_search_provider.new_tab_url";
396  
397  // The string of post parameters (as understood by TemplateURLRef) the default
398  // search provider uses for searches by using POST.
399  const char kDefaultSearchProviderSearchURLPostParams[] =
400      "default_search_provider.search_url_post_params";
401  
402  // The string of post parameters (as understood by TemplateURLRef) the default
403  // search provider uses for suggestions by using POST.
404  const char kDefaultSearchProviderSuggestURLPostParams[] =
405      "default_search_provider.suggest_url_post_params";
406  
407  // The string of post parameters (as understood by TemplateURLRef) the default
408  // search provider uses for instant results by using POST.
409  const char kDefaultSearchProviderInstantURLPostParams[] =
410      "default_search_provider.instant_url_post_params";
411  
412  // The string of post parameters (as understood by TemplateURLRef) the default
413  // search provider uses for image search results by using POST.
414  const char kDefaultSearchProviderImageURLPostParams[] =
415      "default_search_provider.image_url_post_params";
416  
417  // The Favicon URL (as understood by TemplateURLRef) of the default search
418  // provider.
419  const char kDefaultSearchProviderIconURL[] =
420      "default_search_provider.icon_url";
421  
422  // The input encoding (as understood by TemplateURLRef) supported by the default
423  // search provider.  The various encodings are separated by ';'
424  const char kDefaultSearchProviderEncodings[] =
425      "default_search_provider.encodings";
426  
427  // The name of the default search provider.
428  const char kDefaultSearchProviderName[] = "default_search_provider.name";
429  
430  // The keyword of the default search provider.
431  const char kDefaultSearchProviderKeyword[] = "default_search_provider.keyword";
432  
433  // The id of the default search provider.
434  const char kDefaultSearchProviderID[] = "default_search_provider.id";
435  
436  // The prepopulate id of the default search provider.
437  const char kDefaultSearchProviderPrepopulateID[] =
438      "default_search_provider.prepopulate_id";
439  
440  // The alternate urls of the default search provider.
441  const char kDefaultSearchProviderAlternateURLs[] =
442      "default_search_provider.alternate_urls";
443  
444  // Search term placement query parameter for the default search provider.
445  const char kDefaultSearchProviderSearchTermsReplacementKey[] =
446      "default_search_provider.search_terms_replacement_key";
447  
448  // The dictionary key used when the default search providers are given
449  // in the preferences file. Normally they are copied from the master
450  // preferences file.
451  const char kSearchProviderOverrides[] = "search_provider_overrides";
452  // The format version for the dictionary above.
453  const char kSearchProviderOverridesVersion[] =
454      "search_provider_overrides_version";
455  
456  // Boolean which specifies whether we should ask the user if we should download
457  // a file (true) or just download it automatically.
458  const char kPromptForDownload[] = "download.prompt_for_download";
459  
460  // A boolean pref set to true if we're using Link Doctor error pages.
461  const char kAlternateErrorPagesEnabled[] = "alternate_error_pages.enabled";
462  
463  // OBSOLETE: new pref now stored with user prefs instead of profile, as
464  // kDnsPrefetchingStartupList.
465  const char kDnsStartupPrefetchList[] = "StartupDNSPrefetchList";
466  
467  // An adaptively identified list of domain names to be pre-fetched during the
468  // next startup, based on what was actually needed during this startup.
469  const char kDnsPrefetchingStartupList[] = "dns_prefetching.startup_list";
470  
471  // OBSOLETE: new pref now stored with user prefs instead of profile, as
472  // kDnsPrefetchingHostReferralList.
473  const char kDnsHostReferralList[] = "HostReferralList";
474  
475  // A list of host names used to fetch web pages, and their commonly used
476  // sub-resource hostnames (and expected latency benefits from pre-resolving, or
477  // preconnecting to, such sub-resource hostnames).
478  // This list is adaptively grown and pruned.
479  const char kDnsPrefetchingHostReferralList[] =
480      "dns_prefetching.host_referral_list";
481  
482  // Disables the SPDY protocol.
483  const char kDisableSpdy[] = "spdy.disabled";
484  
485  // Prefs for persisting HttpServerProperties.
486  const char kHttpServerProperties[] = "net.http_server_properties";
487  
488  // Prefs for server names that support SPDY protocol.
489  const char kSpdyServers[] = "spdy.servers";
490  
491  // Prefs for servers that support Alternate-Protocol.
492  const char kAlternateProtocolServers[] = "spdy.alternate_protocol";
493  
494  // Disables the listed protocol schemes.
495  const char kDisabledSchemes[] = "protocol.disabled_schemes";
496  
497  // Blocks access to the listed host patterns.
498  const char kUrlBlacklist[] = "policy.url_blacklist";
499  
500  // Allows access to the listed host patterns, as exceptions to the blacklist.
501  const char kUrlWhitelist[] = "policy.url_whitelist";
502  
503  #if defined(OS_ANDROID)
504  // Last time that a check for cloud policy management was done. This time is
505  // recorded on Android so that retries aren't attempted on every startup.
506  // Instead the cloud policy registration is retried at least 1 or 3 days later.
507  const char kLastPolicyCheckTime[] = "policy.last_policy_check_time";
508  
509  // A list of bookmarks to include in a Managed Bookmarks root node. Each
510  // list item is a dictionary containing a "name" and an "url" entry, detailing
511  // the bookmark name and target URL respectively.
512  const char kManagedBookmarks[] = "policy.managed_bookmarks";
513  #endif
514  
515  // Prefix URL for the experimental Instant ZeroSuggest provider.
516  const char kInstantUIZeroSuggestUrlPrefix[] =
517      "instant_ui.zero_suggest_url_prefix";
518  
519  // Used to migrate preferences from local state to user preferences to
520  // enable multiple profiles.
521  // BITMASK with possible values (see browser_prefs.cc for enum):
522  // 0: No preferences migrated.
523  // 1: DNS preferences migrated: kDnsPrefetchingStartupList and HostReferralList
524  // 2: Browser window preferences migrated: kDevToolsSplitLocation and
525  //    kBrowserWindowPlacement
526  const char kMultipleProfilePrefMigration[] =
527      "local_state.multiple_profile_prefs_version";
528  
529  // A boolean pref set to true if prediction of network actions is allowed.
530  // Actions include DNS prefetching, TCP and SSL preconnection, and prerendering
531  // of web pages.
532  // NOTE: The "dns_prefetching.enabled" value is used so that historical user
533  // preferences are not lost.
534  const char kNetworkPredictionEnabled[] = "dns_prefetching.enabled";
535  
536  // An integer representing the state of the default apps installation process.
537  // This value is persisted in the profile's user preferences because the process
538  // is async, and the user may have stopped chrome in the middle.  The next time
539  // the profile is opened, the process will continue from where it left off.
540  //
541  // See possible values in external_provider_impl.cc.
542  const char kDefaultAppsInstallState[] = "default_apps_install_state";
543  
544  // A boolean pref set to true if the Chrome Web Store icons should be hidden
545  // from the New Tab Page and app launcher.
546  const char kHideWebStoreIcon[] = "hide_web_store_icon";
547  
548  #if defined(OS_CHROMEOS)
549  // A dictionary pref to hold the mute setting for all the currently known
550  // audio devices.
551  const char kAudioDevicesMute[] = "settings.audio.devices.mute";
552  
553  // A dictionary pref storing the volume settings for all the currently known
554  // audio devices.
555  const char kAudioDevicesVolumePercent[] =
556      "settings.audio.devices.volume_percent";
557  
558  // An integer pref to initially mute volume if 1. This pref is ignored if
559  // |kAudioOutputAllowed| is set to false, but its value is preserved, therefore
560  // when the policy is lifted the original mute state is restored.  This setting
561  // is here only for migration purposes now. It is being replaced by the
562  // |kAudioDevicesMute| setting.
563  const char kAudioMute[] = "settings.audio.mute";
564  
565  // A double pref storing the user-requested volume. This setting is here only
566  // for migration purposes now. It is being replaced by the
567  // |kAudioDevicesVolumePercent| setting.
568  const char kAudioVolumePercent[] = "settings.audio.volume_percent";
569  
570  // An integer pref to record user's spring charger check result.
571  // 0 - unknown charger, not checked yet.
572  // 1 - confirmed safe charger.
573  // 2 - confirmed original charger and declined to order new charger.
574  // 3 - confirmed original charger and ordered new charger online.
575  // 4 - confirmed original charger and ordered new charger by phone.
576  // 5 - confirmed original charger, ordered a new one online, but continue to use
577  //     the old one.
578  // 6 - confirmed original charger, ordered a new one by phone, but continue to
579  //     use the old one.
580  const char kSpringChargerCheck[] = "settings.spring_charger.check_result";
581  
582  // A boolean pref set to true if touchpad tap-to-click is enabled.
583  const char kTapToClickEnabled[] = "settings.touchpad.enable_tap_to_click";
584  
585  // A boolean pref set to true if touchpad tap-dragging is enabled.
586  const char kTapDraggingEnabled[] = "settings.touchpad.enable_tap_dragging";
587  
588  // A boolean pref set to true if touchpad three-finger-click is enabled.
589  const char kEnableTouchpadThreeFingerClick[] =
590      "settings.touchpad.enable_three_finger_click";
591  
592  // A boolean pref set to true if touchpad natural scrolling is enabled.
593  const char kNaturalScroll[] = "settings.touchpad.natural_scroll";
594  
595  // A boolean pref set to true if primary mouse button is the left button.
596  const char kPrimaryMouseButtonRight[] = "settings.mouse.primary_right";
597  
598  // A integer pref for the touchpad sensitivity.
599  const char kMouseSensitivity[] = "settings.mouse.sensitivity2";
600  
601  // A integer pref for the touchpad sensitivity.
602  const char kTouchpadSensitivity[] = "settings.touchpad.sensitivity2";
603  
604  // A boolean pref set to true if time should be displayed in 24-hour clock.
605  const char kUse24HourClock[] = "settings.clock.use_24hour_clock";
606  
607  // A boolean pref to disable Google Drive integration.
608  // The pref prefix should remain as "gdata" for backward compatibility.
609  const char kDisableDrive[] = "gdata.disabled";
610  
611  // A boolean pref to disable Drive over cellular connections.
612  // The pref prefix should remain as "gdata" for backward compatibility.
613  const char kDisableDriveOverCellular[] = "gdata.cellular.disabled";
614  
615  // A boolean pref to disable hosted files on Drive.
616  // The pref prefix should remain as "gdata" for backward compatibility.
617  const char kDisableDriveHostedFiles[] = "gdata.hosted_files.disabled";
618  
619  // A string pref set to the current input method.
620  const char kLanguageCurrentInputMethod[] =
621      "settings.language.current_input_method";
622  
623  // A string pref set to the previous input method.
624  const char kLanguagePreviousInputMethod[] =
625      "settings.language.previous_input_method";
626  
627  // A string pref (comma-separated list) set to the "next engine in menu"
628  // hot-key lists.
629  const char kLanguageHotkeyNextEngineInMenu[] =
630      "settings.language.hotkey_next_engine_in_menu";
631  
632  // A string pref (comma-separated list) set to the "previous engine"
633  // hot-key lists.
634  const char kLanguageHotkeyPreviousEngine[] =
635      "settings.language.hotkey_previous_engine";
636  
637  // A string pref (comma-separated list) set to the preferred language IDs
638  // (ex. "en-US,fr,ko").
639  const char kLanguagePreferredLanguages[] =
640      "settings.language.preferred_languages";
641  
642  // A string pref (comma-separated list) set to the preloaded (active) input
643  // method IDs (ex. "pinyin,mozc").
644  const char kLanguagePreloadEngines[] = "settings.language.preload_engines";
645  
646  // A List pref (comma-separated list) set to the extension IMEs to be enabled.
647  const char kLanguageEnabledExtensionImes[] =
648      "settings.language.enabled_extension_imes";
649  
650  // Integer prefs which determine how we remap modifier keys (e.g. swap Alt and
651  // Control.) Possible values for these prefs are 0-4. See ModifierKey enum in
652  // src/chrome/browser/chromeos/input_method/xkeyboard.h
653  const char kLanguageRemapSearchKeyTo[] =
654      // Note: we no longer use XKB for remapping these keys, but we can't change
655      // the pref names since the names are already synced with the cloud.
656      "settings.language.xkb_remap_search_key_to";
657  const char kLanguageRemapControlKeyTo[] =
658      "settings.language.xkb_remap_control_key_to";
659  const char kLanguageRemapAltKeyTo[] =
660      "settings.language.xkb_remap_alt_key_to";
661  const char kLanguageRemapCapsLockKeyTo[] =
662      "settings.language.remap_caps_lock_key_to";
663  const char kLanguageRemapDiamondKeyTo[] =
664      "settings.language.remap_diamond_key_to";
665  
666  // A boolean pref that causes top-row keys to be interpreted as function keys
667  // instead of as media keys.
668  const char kLanguageSendFunctionKeys[] =
669      "settings.language.send_function_keys";
670  
671  // A boolean pref which determines whether key repeat is enabled.
672  const char kLanguageXkbAutoRepeatEnabled[] =
673      "settings.language.xkb_auto_repeat_enabled_r2";
674  // A integer pref which determines key repeat delay (in ms).
675  const char kLanguageXkbAutoRepeatDelay[] =
676      "settings.language.xkb_auto_repeat_delay_r2";
677  // A integer pref which determines key repeat interval (in ms).
678  const char kLanguageXkbAutoRepeatInterval[] =
679      "settings.language.xkb_auto_repeat_interval_r2";
680  // "_r2" suffixes are added to the three prefs above when we change the
681  // preferences not user-configurable, not to sync them with cloud.
682  
683  // A boolean pref which determines whether the large cursor feature is enabled.
684  const char kLargeCursorEnabled[] = "settings.a11y.large_cursor_enabled";
685  // A boolean pref which determines whether the sticky keys feature is enabled.
686  const char kStickyKeysEnabled[] = "settings.a11y.sticky_keys_enabled";
687  // A boolean pref which determines whether spoken feedback is enabled.
688  const char kSpokenFeedbackEnabled[] = "settings.accessibility";
689  // A boolean pref which determines whether high conrast is enabled.
690  const char kHighContrastEnabled[] = "settings.a11y.high_contrast_enabled";
691  // A boolean pref which determines whether screen magnifier is enabled.
692  const char kScreenMagnifierEnabled[] = "settings.a11y.screen_magnifier";
693  // A integer pref which determines what type of screen magnifier is enabled.
694  // Note that: 'screen_magnifier_type' had been used as string pref. Hence,
695  // we are using another name pref here.
696  const char kScreenMagnifierType[] = "settings.a11y.screen_magnifier_type2";
697  // A double pref which determines a zooming scale of the screen magnifier.
698  const char kScreenMagnifierScale[] = "settings.a11y.screen_magnifier_scale";
699  // A boolean pref which determines whether virtual keyboard is enabled.
700  // TODO(hashimoto): Remove this pref.
701  const char kVirtualKeyboardEnabled[] = "settings.a11y.virtual_keyboard";
702  // A boolean pref which determines whether autoclick is enabled.
703  const char kAutoclickEnabled[] = "settings.a11y.autoclick";
704  // An integer pref which determines time in ms between when the mouse cursor
705  // stops and when an autoclick is triggered.
706  const char kAutoclickDelayMs[] = "settings.a11y.autoclick_delay_ms";
707  // A boolean pref which determines whether the accessibility menu shows
708  // regardless of the state of a11y features.
709  const char kShouldAlwaysShowAccessibilityMenu[] = "settings.a11y.enable_menu";
710  
711  // A boolean pref which turns on Advanced Filesystem
712  // (USB support, SD card, etc).
713  const char kLabsAdvancedFilesystemEnabled[] =
714      "settings.labs.advanced_filesystem";
715  
716  // A boolean pref which turns on the mediaplayer.
717  const char kLabsMediaplayerEnabled[] = "settings.labs.mediaplayer";
718  
719  // A boolean pref that turns on screen locker.
720  const char kEnableScreenLock[] = "settings.enable_screen_lock";
721  
722  // A boolean pref of whether to show mobile plan notifications.
723  const char kShowPlanNotifications[] =
724      "settings.internet.mobile.show_plan_notifications";
725  
726  // A boolean pref of whether to show 3G promo notification.
727  const char kShow3gPromoNotification[] =
728      "settings.internet.mobile.show_3g_promo_notification";
729  
730  // A string pref that contains version where "What's new" promo was shown.
731  const char kChromeOSReleaseNotesVersion[] = "settings.release_notes.version";
732  
733  // A boolean pref that controls whether proxy settings from shared network
734  // settings (accordingly from device policy) are applied or ignored.
735  const char kUseSharedProxies[] = "settings.use_shared_proxies";
736  
737  // Power state of the current displays from the last run.
738  const char kDisplayPowerState[] = "settings.display.power_state";
739  // A dictionary pref that stores per display preferences.
740  const char kDisplayProperties[] = "settings.display.properties";
741  
742  // A dictionary pref that specifies per-display layout/offset information.
743  // Its key is the ID of the display and its value is a dictionary for the
744  // layout/offset information.
745  const char kSecondaryDisplays[] = "settings.display.secondary_displays";
746  
747  // A boolean pref indicating whether user activity has been observed in the
748  // current session already. The pref is used to restore information about user
749  // activity after browser crashes.
750  const char kSessionUserActivitySeen[] = "session.user_activity_seen";
751  
752  // A preference to keep track of the session start time. If the session length
753  // limit is configured to start running after initial user activity has been
754  // observed, the pref is set after the first user activity in a session.
755  // Otherwise, it is set immediately after session start. The pref is used to
756  // restore the session start time after browser crashes. The time is expressed
757  // as the serialization obtained from base::TimeTicks::ToInternalValue().
758  const char kSessionStartTime[] = "session.start_time";
759  
760  // Holds the maximum session time in milliseconds. If this pref is set, the
761  // user is logged out when the maximum session time is reached. The user is
762  // informed about the remaining time by a countdown timer shown in the ash
763  // system tray.
764  const char kSessionLengthLimit[] = "session.length_limit";
765  
766  // Whether the session length limit should start running only after the first
767  // user activity has been observed in a session.
768  const char kSessionWaitForInitialUserActivity[] =
769      "session.wait_for_initial_user_activity";
770  
771  // Inactivity time in milliseconds while the system is on AC power before
772  // the screen should be dimmed, turned off, or locked, before an
773  // IdleActionImminent D-Bus signal should be sent, or before
774  // kPowerAcIdleAction should be performed.  0 disables the delay (N/A for
775  // kPowerAcIdleDelayMs).
776  const char kPowerAcScreenDimDelayMs[] = "power.ac_screen_dim_delay_ms";
777  const char kPowerAcScreenOffDelayMs[] = "power.ac_screen_off_delay_ms";
778  const char kPowerAcScreenLockDelayMs[] = "power.ac_screen_lock_delay_ms";
779  const char kPowerAcIdleWarningDelayMs[] = "power.ac_idle_warning_delay_ms";
780  const char kPowerAcIdleDelayMs[] = "power.ac_idle_delay_ms";
781  
782  // Similar delays while the system is on battery power.
783  const char kPowerBatteryScreenDimDelayMs[] =
784      "power.battery_screen_dim_delay_ms";
785  const char kPowerBatteryScreenOffDelayMs[] =
786      "power.battery_screen_off_delay_ms";
787  const char kPowerBatteryScreenLockDelayMs[] =
788      "power.battery_screen_lock_delay_ms";
789  const char kPowerBatteryIdleWarningDelayMs[] =
790      "power.battery_idle_warning_delay_ms";
791  const char kPowerBatteryIdleDelayMs[] =
792      "power.battery_idle_delay_ms";
793  
794  // Action that should be performed when the idle delay is reached while the
795  // system is on AC power or battery power.
796  // Values are from the chromeos::PowerPolicyController::Action enum.
797  const char kPowerAcIdleAction[] = "power.ac_idle_action";
798  const char kPowerBatteryIdleAction[] = "power.battery_idle_action";
799  
800  // Action that should be performed when the lid is closed.
801  // Values are from the chromeos::PowerPolicyController::Action enum.
802  const char kPowerLidClosedAction[] = "power.lid_closed_action";
803  
804  // Should audio and video activity be used to disable the above delays?
805  const char kPowerUseAudioActivity[] = "power.use_audio_activity";
806  const char kPowerUseVideoActivity[] = "power.use_video_activity";
807  
808  // Should extensions be able to use the chrome.power API to override
809  // screen-related power management (including locking)?
810  const char kPowerAllowScreenWakeLocks[] = "power.allow_screen_wake_locks";
811  
812  // Amount by which the screen-dim delay should be scaled while the system
813  // is in presentation mode. Values are limited to a minimum of 1.0.
814  const char kPowerPresentationScreenDimDelayFactor[] =
815      "power.presentation_screen_dim_delay_factor";
816  
817  // Amount by which the screen-dim delay should be scaled when user activity is
818  // observed while the screen is dimmed or soon after the screen has been turned
819  // off.  Values are limited to a minimum of 1.0.
820  const char kPowerUserActivityScreenDimDelayFactor[] =
821      "power.user_activity_screen_dim_delay_factor";
822  
823  // Whether the power management delays should start running only after the first
824  // user activity has been observed in a session.
825  const char kPowerWaitForInitialUserActivity[] =
826      "power.wait_for_initial_user_activity";
827  
828  // The URL from which the Terms of Service can be downloaded. The value is only
829  // honored for public accounts.
830  const char kTermsOfServiceURL[] = "terms_of_service.url";
831  
832  // Indicates that the Profile has made navigations that used a certificate
833  // installed by the system administrator. If that is true then the local cache
834  // of remote data is tainted (e.g. shared scripts), and future navigations
835  // show a warning indicating that the organization may track the browsing
836  // session.
837  const char kUsedPolicyCertificatesOnce[] = "used_policy_certificates_once";
838  
839  // Indicates whether the remote attestation is enabled for the user.
840  const char kAttestationEnabled[] = "attestation.enabled";
841  // The list of extensions allowed to use the platformKeysPrivate API for
842  // remote attestation.
843  const char kAttestationExtensionWhitelist[] = "attestation.extension_whitelist";
844  
845  // A boolean pref indicating whether the projection touch HUD is enabled or not.
846  const char kTouchHudProjectionEnabled[] = "touch_hud.projection_enabled";
847  
848  // A pref to configure networks. Its value must be a list of
849  // NetworkConfigurations according to the OpenNetworkConfiguration
850  // specification.
851  // Currently, this pref is only used to store the policy. The user's
852  // configuration is still stored in Shill.
853  const char kOpenNetworkConfiguration[] = "onc";
854  
855  // A boolean pref that tracks whether the user has already given consent for
856  // enabling remote attestation for content protection.
857  const char kRAConsentFirstTime[] = "settings.privacy.ra_consent";
858  
859  // A boolean pref recording whether user has dismissed the multiprofile
860  // notification.
861  const char kMultiProfileNotificationDismissed[] =
862      "settings.multi_profile_notification_dismissed";
863  
864  // A string pref that holds string enum values of how the user should behave
865  // in a multiprofile session. See ChromeOsMultiProfileUserBehavior policy
866  // for more details of the valid values.
867  const char kMultiProfileUserBehavior[] = "settings.multiprofile_user_behavior";
868  #endif  // defined(OS_CHROMEOS)
869  
870  // The disabled messages in IPC logging.
871  const char kIpcDisabledMessages[] = "ipc_log_disabled_messages";
872  
873  // A boolean pref set to true if a Home button to open the Home pages should be
874  // visible on the toolbar.
875  const char kShowHomeButton[] = "browser.show_home_button";
876  
877  // A string value which saves short list of recently user selected encodings
878  // separated with comma punctuation mark.
879  const char kRecentlySelectedEncoding[] = "profile.recently_selected_encodings";
880  
881  // Clear Browsing Data dialog preferences.
882  const char kDeleteBrowsingHistory[] = "browser.clear_data.browsing_history";
883  const char kDeleteDownloadHistory[] = "browser.clear_data.download_history";
884  const char kDeleteCache[] = "browser.clear_data.cache";
885  const char kDeleteCookies[] = "browser.clear_data.cookies";
886  const char kDeletePasswords[] = "browser.clear_data.passwords";
887  const char kDeleteFormData[] = "browser.clear_data.form_data";
888  const char kDeleteHostedAppsData[] = "browser.clear_data.hosted_apps_data";
889  const char kDeauthorizeContentLicenses[] =
890      "browser.clear_data.content_licenses";
891  const char kDeleteTimePeriod[] = "browser.clear_data.time_period";
892  const char kLastClearBrowsingDataTime[] =
893      "browser.last_clear_browsing_data_time";
894  
895  // Boolean pref to define the default values for using spellchecker.
896  const char kEnableContinuousSpellcheck[] = "browser.enable_spellchecking";
897  
898  // List of names of the enabled labs experiments (see chrome/browser/labs.cc).
899  const char kEnabledLabsExperiments[] = "browser.enabled_labs_experiments";
900  
901  // Boolean pref to define the default values for using auto spell correct.
902  const char kEnableAutoSpellCorrect[] = "browser.enable_autospellcorrect";
903  
904  // Boolean pref to define the default setting for "block offensive words".
905  // The old key value is kept to avoid unnecessary migration code.
906  const char kSpeechRecognitionFilterProfanities[] =
907      "browser.speechinput_censor_results";
908  
909  // List of speech recognition context names (extensions or websites) for which
910  // the tray notification balloon has already been shown.
911  const char kSpeechRecognitionTrayNotificationShownContexts[] =
912      "browser.speechinput_tray_notification_shown_contexts";
913  
914  // Boolean controlling whether history saving is disabled.
915  const char kSavingBrowserHistoryDisabled[] = "history.saving_disabled";
916  
917  // Boolean controlling whether deleting browsing and download history is
918  // permitted.
919  const char kAllowDeletingBrowserHistory[] = "history.deleting_enabled";
920  
921  // Boolean controlling whether SafeSearch is mandatory for Google Web Searches.
922  const char kForceSafeSearch[] = "settings.force_safesearch";
923  
924  #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
925  // Linux specific preference on whether we should match the system theme.
926  const char kUsesSystemTheme[] = "extensions.theme.use_system";
927  #endif
928  const char kCurrentThemePackFilename[] = "extensions.theme.pack";
929  const char kCurrentThemeID[] = "extensions.theme.id";
930  const char kCurrentThemeImages[] = "extensions.theme.images";
931  const char kCurrentThemeColors[] = "extensions.theme.colors";
932  const char kCurrentThemeTints[] = "extensions.theme.tints";
933  const char kCurrentThemeDisplayProperties[] = "extensions.theme.properties";
934  
935  // Boolean pref which persists whether the extensions_ui is in developer mode
936  // (showing developer packing tools and extensions details)
937  const char kExtensionsUIDeveloperMode[] = "extensions.ui.developer_mode";
938  
939  // Integer pref that tracks the number of browser actions visible in the browser
940  // actions toolbar.
941  const char kExtensionToolbarSize[] = "extensions.toolbarsize";
942  
943  // A preference that tracks browser action toolbar configuration. This is a list
944  // object stored in the Preferences file. The extensions are stored by ID.
945  const char kExtensionToolbar[] = "extensions.toolbar";
946  
947  // Dictionary pref that tracks which command belongs to which
948  // extension + named command pair.
949  const char kExtensionCommands[] = "extensions.commands";
950  
951  // A list of known disabled extensions IDs.
952  const char kExtensionKnownDisabled[] = "extensions.known_disabled";
953  
954  // Pref containing the directory for internal plugins as written to the plugins
955  // list (below).
956  const char kPluginsLastInternalDirectory[] = "plugins.last_internal_directory";
957  
958  // List pref containing information (dictionaries) on plugins.
959  const char kPluginsPluginsList[] = "plugins.plugins_list";
960  
961  // List pref containing names of plugins that are disabled by policy.
962  const char kPluginsDisabledPlugins[] = "plugins.plugins_disabled";
963  
964  // List pref containing exceptions to the list of plugins disabled by policy.
965  const char kPluginsDisabledPluginsExceptions[] =
966      "plugins.plugins_disabled_exceptions";
967  
968  // List pref containing names of plugins that are enabled by policy.
969  const char kPluginsEnabledPlugins[] = "plugins.plugins_enabled";
970  
971  // When bundled NPAPI Flash is removed, if at that point it is enabled while
972  // Pepper Flash is disabled, we would like to turn on Pepper Flash. And we will
973  // want to do so only once.
974  const char kPluginsMigratedToPepperFlash[] = "plugins.migrated_to_pepper_flash";
975  
976  // In the early stage of component-updated PPAPI Flash, we did field trials in
977  // which it was set to disabled by default. The corresponding settings item may
978  // remain in some users' profiles. Currently it affects both the bundled and
979  // component-updated PPAPI Flash (since the two share the same enable/disable
980  // state). We want to remove this item to get those users to use PPAPI Flash.
981  // We will want to do so only once.
982  const char kPluginsRemovedOldComponentPepperFlashSettings[] =
983      "plugins.removed_old_component_pepper_flash_settings";
984  
985  #if !defined(OS_ANDROID)
986  // Whether about:plugins is shown in the details mode or not.
987  const char kPluginsShowDetails[] = "plugins.show_details";
988  #endif
989  
990  // Boolean that indicates whether outdated plugins are allowed or not.
991  const char kPluginsAllowOutdated[] = "plugins.allow_outdated";
992  
993  // Boolean that indicates whether plugins that require authorization should
994  // be always allowed or not.
995  const char kPluginsAlwaysAuthorize[] = "plugins.always_authorize";
996  
997  #if defined(ENABLE_PLUGIN_INSTALLATION)
998  // Dictionary holding plug-ins metadata.
999  const char kPluginsMetadata[] = "plugins.metadata";
1000  
1001  // Last update time of plug-ins resource cache.
1002  const char kPluginsResourceCacheUpdate[] = "plugins.resource_cache_update";
1003  #endif
1004  
1005  // Boolean that indicates whether we should check if we are the default browser
1006  // on start-up.
1007  const char kCheckDefaultBrowser[] = "browser.check_default_browser";
1008  
1009  #if defined(OS_WIN)
1010  // By default, setting Chrome as default during first run on Windows 8 will
1011  // trigger shutting down the current instance and spawning a new (Metro)
1012  // Chrome. This boolean preference suppresses this behaviour.
1013  const char kSuppressSwitchToMetroModeOnSetDefault[] =
1014      "browser.suppress_switch_to_metro_mode_on_set_default";
1015  #endif
1016  
1017  // Policy setting whether default browser check should be disabled and default
1018  // browser registration should take place.
1019  const char kDefaultBrowserSettingEnabled[] =
1020      "browser.default_browser_setting_enabled";
1021  
1022  #if defined(OS_MACOSX)
1023  // Boolean that indicates whether the application should show the info bar
1024  // asking the user to set up automatic updates when Keystone promotion is
1025  // required.
1026  const char kShowUpdatePromotionInfoBar[] =
1027      "browser.show_update_promotion_info_bar";
1028  #endif
1029  
1030  // Boolean that is false if we should show window manager decorations.  If
1031  // true, we draw a custom chrome frame (thicker title bar and blue border).
1032  const char kUseCustomChromeFrame[] = "browser.custom_chrome_frame";
1033  
1034  // The preferred position (which corner of screen) for desktop notifications.
1035  const char kDesktopNotificationPosition[] =
1036      "browser.desktop_notification_position";
1037  
1038  // Dictionary of content settings applied to all hosts by default.
1039  const char kDefaultContentSettings[] = "profile.default_content_settings";
1040  
1041  // Boolean indicating whether the clear on exit pref was migrated to content
1042  // settings yet.
1043  const char kContentSettingsClearOnExitMigrated[] =
1044      "profile.content_settings.clear_on_exit_migrated";
1045  
1046  // Version of the pattern format used to define content settings.
1047  const char kContentSettingsVersion[] = "profile.content_settings.pref_version";
1048  
1049  // Patterns for mapping origins to origin related settings. Default settings
1050  // will be applied to origins that don't match any of the patterns. The pattern
1051  // format used is defined by kContentSettingsVersion.
1052  const char kContentSettingsPatternPairs[] =
1053      "profile.content_settings.pattern_pairs";
1054  
1055  // Version of the content settings whitelist.
1056  const char kContentSettingsDefaultWhitelistVersion[] =
1057      "profile.content_settings.whitelist_version";
1058  
1059  #if !defined(OS_ANDROID)
1060  // Which plugins have been whitelisted manually by the user.
1061  const char kContentSettingsPluginWhitelist[] =
1062      "profile.content_settings.plugin_whitelist";
1063  #endif
1064  
1065  // Boolean that is true if we should unconditionally block third-party cookies,
1066  // regardless of other content settings.
1067  const char kBlockThirdPartyCookies[] = "profile.block_third_party_cookies";
1068  
1069  // Boolean that is true when all locally stored site data (e.g. cookies, local
1070  // storage, etc..) should be deleted on exit.
1071  const char kClearSiteDataOnExit[] = "profile.clear_site_data_on_exit";
1072  
1073  // Double that indicates the default zoom level.
1074  const char kDefaultZoomLevel[] = "profile.default_zoom_level";
1075  
1076  // Dictionary that maps hostnames to zoom levels.  Hosts not in this pref will
1077  // be displayed at the default zoom level.
1078  const char kPerHostZoomLevels[] = "profile.per_host_zoom_levels";
1079  
1080  // A dictionary that tracks the default data model to use for each section of
1081  // the dialog.
1082  const char kAutofillDialogAutofillDefault[] = "autofill.data_model_default";
1083  
1084  // Whether a user opted out of making purchases with Google Wallet; changed via
1085  // the autofill dialog's account chooser and set explicitly on dialog submission
1086  // (but not cancel). If this isn't set, the dialog assumes it's the first run.
1087  const char kAutofillDialogPayWithoutWallet[] = "autofill.pay_without_wallet";
1088  
1089  // Which GAIA users have accepted that use of Google Wallet implies their
1090  // location will be shared with fraud protection services.
1091  const char kAutofillDialogWalletLocationAcceptance[] =
1092      "autofill.wallet_location_disclosure";
1093  
1094  // Whether a user wants to save data locally in Autofill.
1095  const char kAutofillDialogSaveData[] = "autofill.save_data";
1096  
1097  // Whether the user has selected "Same as billing" for the shipping address when
1098  // using Google Wallet.
1099  const char kAutofillDialogWalletShippingSameAsBilling[] =
1100      "autofill.wallet_shipping_same_as_billing";
1101  
1102  // The number of times the generated credit card bubble has been shown.
1103  const char kAutofillGeneratedCardBubbleTimesShown[] =
1104      "autofill.generated_card_bubble_times_shown";
1105  
1106  // A dictionary that tracks the defaults to be set on the next invocation
1107  // of the requestAutocomplete dialog.
1108  const char kAutofillDialogDefaults[] = "autofill.rac_dialog_defaults";
1109  
1110  // Modifying bookmarks is completely disabled when this is set to false.
1111  const char kEditBookmarksEnabled[] = "bookmarks.editing_enabled";
1112  
1113  // Boolean that is true when the translate feature is enabled.
1114  const char kEnableTranslate[] = "translate.enabled";
1115  
1116  #if !defined(OS_ANDROID)
1117  const char kPinnedTabs[] = "pinned_tabs";
1118  #endif
1119  
1120  #if defined(OS_ANDROID)
1121  // Boolean that controls the enabled-state of Geolocation in content.
1122  const char kGeolocationEnabled[] = "geolocation.enabled";
1123  #endif
1124  
1125  #if defined(ENABLE_GOOGLE_NOW)
1126  // Boolean that is true when Google services can use the user's location.
1127  const char kGoogleGeolocationAccessEnabled[] =
1128      "googlegeolocationaccess.enabled";
1129  #endif
1130  
1131  // The default audio capture device used by the Media content setting.
1132  const char kDefaultAudioCaptureDevice[] = "media.default_audio_capture_device";
1133  
1134  // The default video capture device used by the Media content setting.
1135  const char kDefaultVideoCaptureDevice[] = "media.default_video_capture_Device";
1136  
1137  // The salt used for creating random MediaSource IDs.
1138  const char kMediaDeviceIdSalt[] = "media.device_id_salt";
1139  
1140  // Preference to disable 3D APIs (WebGL, Pepper 3D).
1141  const char kDisable3DAPIs[] = "disable_3d_apis";
1142  
1143  // Whether to enable hyperlink auditing ("<a ping>").
1144  const char kEnableHyperlinkAuditing[] = "enable_a_ping";
1145  
1146  // Whether to enable sending referrers.
1147  const char kEnableReferrers[] = "enable_referrers";
1148  
1149  // Whether to send the DNT header.
1150  const char kEnableDoNotTrack[] = "enable_do_not_track";
1151  
1152  // Boolean to enable reporting memory info to page.
1153  const char kEnableMemoryInfo[] = "enable_memory_info";
1154  
1155  // GL_VENDOR string.
1156  const char kGLVendorString[] = "gl_vendor_string";
1157  
1158  // GL_RENDERER string.
1159  const char kGLRendererString[] = "gl_renderer_string";
1160  
1161  // GL_VERSION string.
1162  const char kGLVersionString[] = "gl_version_string";
1163  
1164  // Boolean that specifies whether to import bookmarks from the default browser
1165  // on first run.
1166  const char kImportBookmarks[] = "import_bookmarks";
1167  
1168  // Boolean that specifies whether to import the browsing history from the
1169  // default browser on first run.
1170  const char kImportHistory[] = "import_history";
1171  
1172  // Boolean that specifies whether to import the homepage from the default
1173  // browser on first run.
1174  const char kImportHomepage[] = "import_home_page";
1175  
1176  // Boolean that specifies whether to import the search engine from the default
1177  // browser on first run.
1178  const char kImportSearchEngine[] = "import_search_engine";
1179  
1180  // Boolean that specifies whether to import the saved passwords from the default
1181  // browser on first run.
1182  const char kImportSavedPasswords[] = "import_saved_passwords";
1183  
1184  #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS) && defined(OS_POSIX)
1185  // The local profile id for this profile.
1186  const char kLocalProfileId[] = "profile.local_profile_id";
1187  
1188  // Whether passwords in external services (e.g. GNOME Keyring) have been tagged
1189  // with the local profile id yet. (Used for migrating to tagged passwords.)
1190  const char kPasswordsUseLocalProfileId[] =
1191      "profile.passwords_use_local_profile_id";
1192  #endif
1193  
1194  // Profile avatar and name
1195  const char kProfileAvatarIndex[] = "profile.avatar_index";
1196  const char kProfileName[] = "profile.name";
1197  
1198  // Whether the profile is managed.
1199  const char kProfileIsManaged[] = "profile.is_managed";
1200  
1201  // The managed user ID.
1202  const char kManagedUserId[] = "profile.managed_user_id";
1203  
1204  // Indicates if we've already shown a notification that high contrast
1205  // mode is on, recommending high-contrast extensions and themes.
1206  const char kInvertNotificationShown[] = "invert_notification_version_2_shown";
1207  
1208  // Boolean controlling whether printing is enabled.
1209  const char kPrintingEnabled[] = "printing.enabled";
1210  
1211  // Boolean controlling whether print preview is disabled.
1212  const char kPrintPreviewDisabled[] = "printing.print_preview_disabled";
1213  
1214  // An integer pref specifying the fallback behavior for sites outside of content
1215  // packs. One of:
1216  // 0: Allow (does nothing)
1217  // 1: Warn.
1218  // 2: Block.
1219  const char kDefaultManagedModeFilteringBehavior[] =
1220      "profile.managed.default_filtering_behavior";
1221  
1222  // Whether this user is permitted to create managed users.
1223  const char kManagedUserCreationAllowed[] =
1224      "profile.managed_user_creation_allowed";
1225  
1226  // List pref containing the users managed by this user.
1227  const char kManagedUsers[] = "profile.managed_users";
1228  
1229  // List pref containing the extension ids which are not allowed to send
1230  // notifications to the message center.
1231  const char kMessageCenterDisabledExtensionIds[] =
1232      "message_center.disabled_extension_ids";
1233  
1234  // List pref containing the system component ids which are not allowed to send
1235  // notifications to the message center.
1236  const char kMessageCenterDisabledSystemComponentIds[] =
1237      "message_center.disabled_system_component_ids";
1238  
1239  // List pref containing the system component ids which are allowed to send
1240  // notifications to the message center.
1241  extern const char kMessageCenterEnabledSyncNotifierIds[] =
1242      "message_center.enabled_sync_notifier_ids";
1243  
1244  // List pref containing synced notification sending services that are currently
1245  // enabled.
1246  extern const char kEnabledSyncedNotificationSendingServices[] =
1247      "synced_notification.enabled_sending_services";
1248  
1249  // List pref containing which synced notification sending services have already
1250  // been turned on once for the user (so we don't turn them on again).
1251  extern const char kInitializedSyncedNotificationSendingServices[] =
1252      "synced_notification.initialized_sending_services";
1253  
1254  // Boolean pref containing whether this is the first run of the Synced
1255  // Notification feature.
1256  extern const char kSyncedNotificationFirstRun[] =
1257      "synced_notification.first_run";
1258  
1259  // Boolean pref indicating the welcome notification was dismissed by the user.
1260  extern const char kWelcomeNotificationDismissed[] =
1261      "message_center.welcome_notification_dismissed";
1262  
1263  // Boolean pref indicating the welcome notification was previously popped up.
1264  extern const char kWelcomeNotificationPreviouslyPoppedUp[] =
1265      "message_center.welcome_notification_previously_popped_up";
1266  
1267  // Dictionary pref that keeps track of per-extension settings. The keys are
1268  // extension ids.
1269  const char kExtensionsPref[] = "extensions.settings";
1270  
1271  // String pref for what version chrome was last time the extension prefs were
1272  // loaded.
1273  const char kExtensionsLastChromeVersion[] = "extensions.last_chrome_version";
1274  
1275  // Boolean pref that determines whether the user can enter fullscreen mode.
1276  // Disabling fullscreen mode also makes kiosk mode unavailable on desktop
1277  // platforms.
1278  extern const char kFullscreenAllowed[] = "fullscreen.allowed";
1279  
1280  // Enable notifications for new devices on the local network that can be
1281  // registered to the user's account, e.g. Google Cloud Print printers.
1282  const char kLocalDiscoveryNotificationsEnabled[] =
1283      "local_discovery.notifications_enabled";
1284  
1285  // String that indicates if the Profile Reset prompt has already been shown to
1286  // the user. Used both in user preferences and local state, in the latter, it is
1287  // actually a dictionary that maps profile keys to before-mentioned strings.
1288  const char kProfileResetPromptMemento[] = "profile.reset_prompt_memento";
1289  
1290  // Stores the check-in info retrieved from the GCM server.
1291  const char kGCMUserAccountID[] = "gcm.user.account_id";
1292  const char kGCMUserToken[] = "gcm.user.token";
1293  
1294  // *************** LOCAL STATE ***************
1295  // These are attached to the machine/installation
1296  
1297  // A pref to configure networks device-wide. Its value must be a list of
1298  // NetworkConfigurations according to the OpenNetworkConfiguration
1299  // specification.
1300  // Currently, this pref is only used to store the policy. The user's
1301  // configuration is still stored in Shill.
1302  const char kDeviceOpenNetworkConfiguration[] = "device_onc";
1303  
1304  // Directory of the last profile used.
1305  const char kProfileLastUsed[] = "profile.last_used";
1306  
1307  // List of directories of the profiles last active.
1308  const char kProfilesLastActive[] = "profile.last_active_profiles";
1309  
1310  // Total number of profiles created for this Chrome build. Used to tag profile
1311  // directories.
1312  const char kProfilesNumCreated[] = "profile.profiles_created";
1313  
1314  // String containing the version of Chrome that the profile was created by.
1315  // If profile was created before this feature was added, this pref will default
1316  // to "1.0.0.0".
1317  const char kProfileCreatedByVersion[] = "profile.created_by_version";
1318  
1319  // A map of profile data directory to cached information. This cache can be
1320  // used to display information about profiles without actually having to load
1321  // them.
1322  const char kProfileInfoCache[] = "profile.info_cache";
1323  
1324  // Prefs for SSLConfigServicePref.
1325  const char kCertRevocationCheckingEnabled[] = "ssl.rev_checking.enabled";
1326  const char kCertRevocationCheckingRequiredLocalAnchors[] =
1327      "ssl.rev_checking.required_for_local_anchors";
1328  const char kSSLVersionMin[] = "ssl.version_min";
1329  const char kSSLVersionMax[] = "ssl.version_max";
1330  const char kCipherSuiteBlacklist[] = "ssl.cipher_suites.blacklist";
1331  const char kEnableOriginBoundCerts[] = "ssl.origin_bound_certs.enabled";
1332  const char kDisableSSLRecordSplitting[] = "ssl.ssl_record_splitting.disabled";
1333  const char kEnableUnrestrictedSSL3Fallback[] =
1334      "ssl.unrestricted_ssl3_fallback.enabled";
1335  
1336  // A boolean pref of the EULA accepted flag.
1337  const char kEulaAccepted[] = "EulaAccepted";
1338  
1339  // The metrics client GUID, entropy source and session ID.
1340  const char kMetricsClientID[] = "user_experience_metrics.client_id";
1341  const char kMetricsSessionID[] = "user_experience_metrics.session_id";
1342  const char kMetricsLowEntropySource[] =
1343      "user_experience_metrics.low_entropy_source";
1344  const char kMetricsPermutedEntropyCache[] =
1345      "user_experience_metrics.permuted_entropy_cache";
1346  
1347  // Date/time when the current metrics profile ID was created
1348  // (which hopefully corresponds to first run).
1349  const char kMetricsClientIDTimestamp[] =
1350      "user_experience_metrics.client_id_timestamp";
1351  
1352  // Boolean that specifies whether or not crash reporting and metrics reporting
1353  // are sent over the network for analysis.
1354  const char kMetricsReportingEnabled[] =
1355      "user_experience_metrics.reporting_enabled";
1356  
1357  // Boolean that specifies whether or not crash reports are sent
1358  // over the network for analysis.
1359  #if defined(OS_ANDROID)
1360  const char kCrashReportingEnabled[] =
1361      "user_experience_metrics_crash.reporting_enabled";
1362  #endif
1363  
1364  // Array of strings that are each UMA logs that were supposed to be sent in the
1365  // first minute of a browser session. These logs include things like crash count
1366  // info, etc.
1367  const char kMetricsInitialLogs[] =
1368      "user_experience_metrics.initial_logs_as_protobufs";
1369  
1370  // Array of strings that are each UMA logs that were not sent because the
1371  // browser terminated before these accumulated metrics could be sent.  These
1372  // logs typically include histograms and memory reports, as well as ongoing
1373  // user activities.
1374  const char kMetricsOngoingLogs[] =
1375      "user_experience_metrics.ongoing_logs_as_protobufs";
1376  
1377  // Boolean that is true when bookmark prompt is enabled.
1378  const char kBookmarkPromptEnabled[] = "bookmark_prompt_enabled";
1379  
1380  // Number of times bookmark prompt displayed.
1381  const char kBookmarkPromptImpressionCount[] =
1382      "bookmark_prompt_impression_count";
1383  
1384  // 64-bit integer serialization of the base::Time from the last successful seed
1385  // fetch (i.e. when the Variations server responds with 200 or 304).
1386  const char kVariationsLastFetchTime[] = "variations_last_fetch_time";
1387  
1388  // String for the restrict parameter to be appended to the variations URL.
1389  const char kVariationsRestrictParameter[] = "variations_restrict_parameter";
1390  
1391  // String serialized form of variations seed protobuf.
1392  const char kVariationsSeed[] = "variations_seed";
1393  
1394  // 64-bit integer serialization of the base::Time from the last seed received.
1395  const char kVariationsSeedDate[] = "variations_seed_date";
1396  
1397  // SHA-1 hash of the serialized variations seed data (hex encoded).
1398  const char kVariationsSeedHash[] = "variations_seed_hash";
1399  
1400  // An enum value to indicate the execution phase the browser was in.
1401  const char kStabilityExecutionPhase[] =
1402      "user_experience_metrics.stability.execution_phase";
1403  
1404  // True if the previous run of the program exited cleanly.
1405  const char kStabilityExitedCleanly[] =
1406      "user_experience_metrics.stability.exited_cleanly";
1407  
1408  // Version string of previous run, which is used to assure that stability
1409  // metrics reported under current version reflect stability of the same version.
1410  const char kStabilityStatsVersion[] =
1411      "user_experience_metrics.stability.stats_version";
1412  
1413  // Build time, in seconds since an epoch, which is used to assure that stability
1414  // metrics reported reflect stability of the same build.
1415  const char kStabilityStatsBuildTime[] =
1416      "user_experience_metrics.stability.stats_buildtime";
1417  
1418  // False if we received a session end and either we crashed during processing
1419  // the session end or ran out of time and windows terminated us.
1420  const char kStabilitySessionEndCompleted[] =
1421      "user_experience_metrics.stability.session_end_completed";
1422  
1423  // Number of times the application was launched since last report.
1424  const char kStabilityLaunchCount[] =
1425      "user_experience_metrics.stability.launch_count";
1426  
1427  // Number of times the application exited uncleanly since the last report.
1428  const char kStabilityCrashCount[] =
1429      "user_experience_metrics.stability.crash_count";
1430  
1431  // Number of times the session end did not complete.
1432  const char kStabilityIncompleteSessionEndCount[] =
1433      "user_experience_metrics.stability.incomplete_session_end_count";
1434  
1435  // Number of times a page load event occurred since the last report.
1436  const char kStabilityPageLoadCount[] =
1437      "user_experience_metrics.stability.page_load_count";
1438  
1439  // Base64 encoded serialized UMA system profile proto from the previous session.
1440  const char kStabilitySavedSystemProfile[] =
1441      "user_experience_metrics.stability.saved_system_profile";
1442  
1443  // SHA-1 hash of the serialized UMA system profile proto (hex encoded).
1444  const char kStabilitySavedSystemProfileHash[] =
1445      "user_experience_metrics.stability.saved_system_profile_hash";
1446  
1447  // Number of times a renderer process crashed since the last report.
1448  const char kStabilityRendererCrashCount[] =
1449      "user_experience_metrics.stability.renderer_crash_count";
1450  
1451  // Number of times an extension renderer process crashed since the last report.
1452  const char kStabilityExtensionRendererCrashCount[] =
1453      "user_experience_metrics.stability.extension_renderer_crash_count";
1454  
1455  // Time when the app was last launched, in seconds since the epoch.
1456  const char kStabilityLaunchTimeSec[] =
1457      "user_experience_metrics.stability.launch_time_sec";
1458  
1459  // Time when the app was last known to be running, in seconds since
1460  // the epoch.
1461  const char kStabilityLastTimestampSec[] =
1462      "user_experience_metrics.stability.last_timestamp_sec";
1463  
1464  // This is the location of a list of dictionaries of plugin stability stats.
1465  const char kStabilityPluginStats[] =
1466      "user_experience_metrics.stability.plugin_stats2";
1467  
1468  // Number of times the renderer has become non-responsive since the last
1469  // report.
1470  const char kStabilityRendererHangCount[] =
1471      "user_experience_metrics.stability.renderer_hang_count";
1472  
1473  // Total number of child process crashes (other than renderer / extension
1474  // renderer ones, and plugin children, which are counted separately) since the
1475  // last report.
1476  const char kStabilityChildProcessCrashCount[] =
1477      "user_experience_metrics.stability.child_process_crash_count";
1478  
1479  // On Chrome OS, total number of non-Chrome user process crashes
1480  // since the last report.
1481  const char kStabilityOtherUserCrashCount[] =
1482      "user_experience_metrics.stability.other_user_crash_count";
1483  
1484  // On Chrome OS, total number of kernel crashes since the last report.
1485  const char kStabilityKernelCrashCount[] =
1486      "user_experience_metrics.stability.kernel_crash_count";
1487  
1488  // On Chrome OS, total number of unclean system shutdowns since the
1489  // last report.
1490  const char kStabilitySystemUncleanShutdownCount[] =
1491      "user_experience_metrics.stability.system_unclean_shutdowns";
1492  
1493  // Number of times the browser has been able to register crash reporting.
1494  const char kStabilityBreakpadRegistrationSuccess[] =
1495      "user_experience_metrics.stability.breakpad_registration_ok";
1496  
1497  // Number of times the browser has failed to register crash reporting.
1498  const char kStabilityBreakpadRegistrationFail[] =
1499      "user_experience_metrics.stability.breakpad_registration_fail";
1500  
1501  // Number of times the browser has been run under a debugger.
1502  const char kStabilityDebuggerPresent[] =
1503      "user_experience_metrics.stability.debugger_present";
1504  
1505  // Number of times the browser has not been run under a debugger.
1506  const char kStabilityDebuggerNotPresent[] =
1507      "user_experience_metrics.stability.debugger_not_present";
1508  
1509  // The keys below are used for the dictionaries in the
1510  // kStabilityPluginStats list.
1511  const char kStabilityPluginName[] = "name";
1512  const char kStabilityPluginLaunches[] = "launches";
1513  const char kStabilityPluginInstances[] = "instances";
1514  const char kStabilityPluginCrashes[] = "crashes";
1515  const char kStabilityPluginLoadingErrors[] = "loading_errors";
1516  
1517  // The keys below are strictly increasing counters over the lifetime of
1518  // a chrome installation. They are (optionally) sent up to the uninstall
1519  // survey in the event of uninstallation. The installation date is used by some
1520  // opt-in services such as Wallet and UMA.
1521  const char kInstallDate[] = "uninstall_metrics.installation_date2";
1522  const char kUninstallMetricsPageLoadCount[] =
1523      "uninstall_metrics.page_load_count";
1524  const char kUninstallLaunchCount[] = "uninstall_metrics.launch_count";
1525  const char kUninstallMetricsUptimeSec[] = "uninstall_metrics.uptime_sec";
1526  const char kUninstallLastLaunchTimeSec[] =
1527      "uninstall_metrics.last_launch_time_sec";
1528  const char kUninstallLastObservedRunTimeSec[] =
1529      "uninstall_metrics.last_observed_running_time_sec";
1530  
1531  // String containing the version of Chrome for which Chrome will not prompt the
1532  // user about setting Chrome as the default browser.
1533  const char kBrowserSuppressDefaultBrowserPrompt[] =
1534      "browser.suppress_default_browser_prompt_for_version";
1535  
1536  // A collection of position, size, and other data relating to the browser
1537  // window to restore on startup.
1538  const char kBrowserWindowPlacement[] = "browser.window_placement";
1539  
1540  // A collection of position, size, and other data relating to the task
1541  // manager window to restore on startup.
1542  const char kTaskManagerWindowPlacement[] = "task_manager.window_placement";
1543  
1544  // A collection of position, size, and other data relating to the keyword
1545  // editor window to restore on startup.
1546  const char kKeywordEditorWindowPlacement[] = "keyword_editor.window_placement";
1547  
1548  // A collection of position, size, and other data relating to the preferences
1549  // window to restore on startup.
1550  const char kPreferencesWindowPlacement[] = "preferences.window_placement";
1551  
1552  // An integer specifying the total number of bytes to be used by the
1553  // renderer's in-memory cache of objects.
1554  const char kMemoryCacheSize[] = "renderer.memory_cache.size";
1555  
1556  // String which specifies where to download files to by default.
1557  const char kDownloadDefaultDirectory[] = "download.default_directory";
1558  
1559  // Boolean that records if the download directory was changed by an
1560  // upgrade a unsafe location to a safe location.
1561  const char kDownloadDirUpgraded[] = "download.directory_upgrade";
1562  
1563  // String which specifies where to save html files to by default.
1564  const char kSaveFileDefaultDirectory[] = "savefile.default_directory";
1565  
1566  // The type used to save the page. See the enum SavePackage::SavePackageType in
1567  // the chrome/browser/download/save_package.h for the possible values.
1568  const char kSaveFileType[] = "savefile.type";
1569  
1570  // String which specifies the last directory that was chosen for uploading
1571  // or opening a file.
1572  const char kSelectFileLastDirectory[] = "selectfile.last_directory";
1573  
1574  // Boolean that specifies if file selection dialogs are shown.
1575  const char kAllowFileSelectionDialogs[] = "select_file_dialogs.allowed";
1576  
1577  // Map of default tasks, associated by MIME type.
1578  const char kDefaultTasksByMimeType[] =
1579      "filebrowser.tasks.default_by_mime_type";
1580  
1581  // Map of default tasks, associated by file suffix.
1582  const char kDefaultTasksBySuffix[] =
1583      "filebrowser.tasks.default_by_suffix";
1584  
1585  // Extensions which should be opened upon completion.
1586  const char kDownloadExtensionsToOpen[] = "download.extensions_to_open";
1587  
1588  // Integer which specifies the frequency in milliseconds for detecting whether
1589  // plugin windows are hung.
1590  const char kHungPluginDetectFrequency[] = "browser.hung_plugin_detect_freq";
1591  
1592  // Integer which specifies the timeout value to be used for SendMessageTimeout
1593  // to detect a hung plugin window.
1594  const char kPluginMessageResponseTimeout[] =
1595      "browser.plugin_message_response_timeout";
1596  
1597  // String which represents the dictionary name for our spell-checker.
1598  const char kSpellCheckDictionary[] = "spellcheck.dictionary";
1599  
1600  // Boolean pref indicating whether the spelling confirm dialog has been shown.
1601  const char kSpellCheckConfirmDialogShown[] = "spellcheck.confirm_dialog_shown";
1602  
1603  // String which represents whether we use the spelling service.
1604  const char kSpellCheckUseSpellingService[] = "spellcheck.use_spelling_service";
1605  
1606  // Dictionary of schemes used by the external protocol handler.
1607  // The value is true if the scheme must be ignored.
1608  const char kExcludedSchemes[] = "protocol_handler.excluded_schemes";
1609  
1610  // Keys used for MAC handling of SafeBrowsing requests.
1611  const char kSafeBrowsingClientKey[] = "safe_browsing.client_key";
1612  const char kSafeBrowsingWrappedKey[] = "safe_browsing.wrapped_key";
1613  
1614  // Integer that specifies the index of the tab the user was on when they
1615  // last visited the options window.
1616  const char kOptionsWindowLastTabIndex[] = "options_window.last_tab_index";
1617  
1618  // Integer that specifies the index of the tab the user was on when they
1619  // last visited the content settings window.
1620  const char kContentSettingsWindowLastTabIndex[] =
1621      "content_settings_window.last_tab_index";
1622  
1623  // Integer that specifies the index of the tab the user was on when they
1624  // last visited the Certificate Manager window.
1625  const char kCertificateManagerWindowLastTabIndex[] =
1626      "certificate_manager_window.last_tab_index";
1627  
1628  // Integer that specifies if the first run bubble should be shown.
1629  // This preference is only registered by the first-run procedure.
1630  const char kShowFirstRunBubbleOption[] = "show-first-run-bubble-option";
1631  
1632  // String containing the last known Google URL.  We re-detect this on startup in
1633  // most cases, and use it to send traffic to the correct Google host or with the
1634  // correct Google domain/country code for whatever location the user is in.
1635  const char kLastKnownGoogleURL[] = "browser.last_known_google_url";
1636  
1637  // String containing the last prompted Google URL to the user.
1638  // If the user is using .x TLD for Google URL and gets prompted about .y TLD
1639  // for Google URL, and says "no", we should leave the search engine set to .x
1640  // but not prompt again until the domain changes away from .y.
1641  const char kLastPromptedGoogleURL[] = "browser.last_prompted_google_url";
1642  
1643  // String containing the last known intranet redirect URL, if any.  See
1644  // intranet_redirect_detector.h for more information.
1645  const char kLastKnownIntranetRedirectOrigin[] = "browser.last_redirect_origin";
1646  
1647  // Integer containing the system Country ID the first time we checked the
1648  // template URL prepopulate data.  This is used to avoid adding a whole bunch of
1649  // new search engine choices if prepopulation runs when the user's Country ID
1650  // differs from their previous Country ID.  This pref does not exist until
1651  // prepopulation has been run at least once.
1652  const char kCountryIDAtInstall[] = "countryid_at_install";
1653  // OBSOLETE. Same as above, but uses the Windows-specific GeoID value instead.
1654  // Updated if found to the above key.
1655  const char kGeoIDAtInstall[] = "geoid_at_install";
1656  
1657  // An enum value of how the browser was shut down (see browser_shutdown.h).
1658  const char kShutdownType[] = "shutdown.type";
1659  // Number of processes that were open when the user shut down.
1660  const char kShutdownNumProcesses[] = "shutdown.num_processes";
1661  // Number of processes that were shut down using the slow path.
1662  const char kShutdownNumProcessesSlow[] = "shutdown.num_processes_slow";
1663  
1664  // Whether to restart the current Chrome session automatically as the last thing
1665  // before shutting everything down.
1666  const char kRestartLastSessionOnShutdown[] = "restart.last.session.on.shutdown";
1667  
1668  // Set before autorestarting Chrome, cleared on clean exit.
1669  const char kWasRestarted[] = "was.restarted";
1670  
1671  #if defined(OS_WIN)
1672  // Preference to be used while relaunching Chrome. This preference dictates if
1673  // Chrome should be launched in Metro or Desktop mode.
1674  // For more info take a look at ChromeRelaunchMode enum.
1675  const char kRelaunchMode[] = "relaunch.mode";
1676  #endif
1677  
1678  // Placeholder preference for disabling voice / video chat if it is ever added.
1679  // Currently, this does not change any behavior.
1680  const char kDisableVideoAndChat[] = "disable_video_chat";
1681  
1682  // Whether Extensions are enabled.
1683  const char kDisableExtensions[] = "extensions.disabled";
1684  
1685  // Whether the plugin finder that lets you install missing plug-ins is enabled.
1686  const char kDisablePluginFinder[] = "plugins.disable_plugin_finder";
1687  
1688  // Integer boolean representing the width (in pixels) of the container for
1689  // browser actions.
1690  const char kBrowserActionContainerWidth[] =
1691      "extensions.browseractions.container.width";
1692  
1693  // Time of the last, and next scheduled, extensions auto-update checks.
1694  const char kLastExtensionsUpdateCheck[] = "extensions.autoupdate.last_check";
1695  const char kNextExtensionsUpdateCheck[] = "extensions.autoupdate.next_check";
1696  
1697  // Whether we have run the extension-alert system (see ExtensionGlobalError)
1698  // at least once for this profile.
1699  const char kExtensionAlertsInitializedPref[] = "extensions.alerts.initialized";
1700  
1701  // The sites that are allowed to install extensions. These sites should be
1702  // allowed to install extensions without the scary dangerous downloads bar.
1703  // Also, when off-store-extension installs are disabled, these sites are exempt.
1704  const char kExtensionAllowedInstallSites[] = "extensions.allowed_install_sites";
1705  
1706  // A list of allowed extension types. Extensions can only be installed if their
1707  // type is on this whitelist or alternatively on kExtensionInstallAllowList or
1708  // kExtensionInstallForceList.
1709  const char kExtensionAllowedTypes[] = "extensions.allowed_types";
1710  
1711  // Version number of last blacklist check.
1712  const char kExtensionBlacklistUpdateVersion[] =
1713      "extensions.blacklistupdate.version";
1714  
1715  // A whitelist of extension ids the user can install: exceptions from the
1716  // following blacklist.
1717  const char kExtensionInstallAllowList[] = "extensions.install.allowlist";
1718  
1719  // A blacklist, containing extensions the user cannot install. This list can
1720  // contain "*" meaning all extensions. This list should not be confused with the
1721  // extension blacklist, which is Google controlled.
1722  const char kExtensionInstallDenyList[] = "extensions.install.denylist";
1723  
1724  // A list containing extensions that Chrome will silently install
1725  // at startup time. It is a list of strings, each string contains
1726  // an extension ID and an update URL, delimited by a semicolon.
1727  // This preference is set by an admin policy, and meant to be only
1728  // accessed through extensions::ExternalPolicyProvider.
1729  const char kExtensionInstallForceList[] = "extensions.install.forcelist";
1730  
1731  // Indicates on-disk data might have skeletal data that needs to be cleaned
1732  // on the next start of the browser.
1733  const char kExtensionStorageGarbageCollect[] =
1734      "extensions.storage.garbagecollect";
1735  
1736  // Customized app page names that appear on the New Tab Page.
1737  const char kNtpAppPageNames[] = "ntp.app_page_names";
1738  
1739  // Keeps track of which sessions are collapsed in the Other Devices menu.
1740  const char kNtpCollapsedForeignSessions[] = "ntp.collapsed_foreign_sessions";
1741  
1742  // Keeps track of recently closed tabs collapsed state in the Other Devices
1743  // menu.
1744  const char kNtpCollapsedRecentlyClosedTabs[] =
1745      "ntp.collapsed_recently_closed_tabs";
1746  
1747  // Keeps track of snapshot documents collapsed state in the Other Devices menu.
1748  const char kNtpCollapsedSnapshotDocument[] = "ntp.collapsed_snapshot_document";
1749  
1750  // Keeps track of sync promo collapsed state in the Other Devices menu.
1751  const char kNtpCollapsedSyncPromo[] = "ntp.collapsed_sync_promo";
1752  
1753  // Serves dates to determine display of elements on the NTP.
1754  const char kNtpDateResourceServer[] = "ntp.date_resource_server";
1755  
1756  // New Tab Page URLs that should not be shown as most visited thumbnails.
1757  const char kNtpMostVisitedURLsBlacklist[] = "ntp.most_visited_blacklist";
1758  
1759  // True if a desktop sync session was found for this user.
1760  const char kNtpPromoDesktopSessionFound[] = "ntp.promo_desktop_session_found";
1761  
1762  // Last time of update of promo_resource_cache.
1763  const char kNtpPromoResourceCacheUpdate[] = "ntp.promo_resource_cache_update";
1764  
1765  // Which bookmarks folder should be visible on the new tab page v4.
1766  const char kNtpShownBookmarksFolder[] = "ntp.shown_bookmarks_folder";
1767  
1768  // Which page should be visible on the new tab page v4
1769  const char kNtpShownPage[] = "ntp.shown_page";
1770  
1771  // Serves tips for the NTP.
1772  const char kNtpTipsResourceServer[] = "ntp.tips_resource_server";
1773  
1774  // Boolean indicating whether the web store is active for the current locale.
1775  const char kNtpWebStoreEnabled[] = "ntp.webstore_enabled";
1776  
1777  // A private RSA key for ADB handshake.
1778  const char kDevToolsAdbKey[] = "devtools.adb_key";
1779  
1780  const char kDevToolsDisabled[] = "devtools.disabled";
1781  
1782  // Determines whether devtools should be discovering usb devices for
1783  // remote debugging at chrome://inspect.
1784  const char kDevToolsDiscoverUsbDevicesEnabled[] =
1785      "devtools.discover_usb_devices";
1786  
1787  // A string specifying the dock location (either 'bottom' or 'right').
1788  const char kDevToolsDockSide[] = "devtools.dock_side";
1789  
1790  // Maps of files edited locally using DevTools.
1791  const char kDevToolsEditedFiles[] = "devtools.edited_files";
1792  
1793  // List of file system paths added in DevTools.
1794  const char kDevToolsFileSystemPaths[] = "devtools.file_system_paths";
1795  
1796  // Integer location of the horizontal split bar in the browser view.
1797  const char kDevToolsHSplitLocation[] = "devtools.split_location";
1798  
1799  // A boolean specifying whether dev tools window should be opened docked.
1800  const char kDevToolsOpenDocked[] = "devtools.open_docked";
1801  
1802  // A boolean specifying whether port forwarding should be enabled.
1803  const char kDevToolsPortForwardingEnabled[] =
1804      "devtools.port_forwarding_enabled";
1805  
1806  // A boolean specifying whether default port forwarding configuration has been
1807  // set.
1808  const char kDevToolsPortForwardingDefaultSet[] =
1809      "devtools.port_forwarding_default_set";
1810  
1811  // A dictionary of port->location pairs for port forwarding.
1812  const char kDevToolsPortForwardingConfig[] = "devtools.port_forwarding_config";
1813  
1814  #if defined(OS_ANDROID)
1815  // A boolean specifying whether remote dev tools debugging is enabled.
1816  const char kDevToolsRemoteEnabled[] = "devtools.remote_enabled";
1817  #endif
1818  
1819  // Integer location of the vertical split bar in the browser view.
1820  const char kDevToolsVSplitLocation[] = "devtools.v_split_location";
1821  
1822  #if defined(OS_ANDROID) || defined(OS_IOS)
1823  // A boolean specifying whether a SPDY proxy is enabled.
1824  const char kSpdyProxyAuthEnabled[] = "spdy_proxy.enabled";
1825  const char kSpdyProxyAuthWasEnabledBefore[] = "spdy_proxy.was_enabled_before";
1826  #endif  // defined(OS_ANDROID) || defined(OS_IOS)
1827  
1828  // Boolean which stores if the user is allowed to signin to chrome.
1829  const char kSigninAllowed[] = "signin.allowed";
1830  
1831  // 64-bit integer serialization of the base::Time when the last sync occurred.
1832  const char kSyncLastSyncedTime[] = "sync.last_synced_time";
1833  
1834  // Boolean specifying whether the user finished setting up sync.
1835  const char kSyncHasSetupCompleted[] = "sync.has_setup_completed";
1836  
1837  // Boolean specifying whether sync has an auth error.
1838  const char kSyncHasAuthError[] = "sync.has_auth_error";
1839  
1840  // Boolean specifying whether to automatically sync all data types (including
1841  // future ones, as they're added).  If this is true, the following preferences
1842  // (kSyncBookmarks, kSyncPasswords, etc.) can all be ignored.
1843  const char kSyncKeepEverythingSynced[] = "sync.keep_everything_synced";
1844  
1845  // Booleans specifying whether the user has selected to sync the following
1846  // datatypes.
1847  const char kSyncAppList[] = "sync.app_list";
1848  const char kSyncAppNotifications[] = "sync.app_notifications";
1849  const char kSyncAppSettings[] = "sync.app_settings";
1850  const char kSyncApps[] = "sync.apps";
1851  const char kSyncAutofillProfile[] = "sync.autofill_profile";
1852  const char kSyncAutofill[] = "sync.autofill";
1853  const char kSyncBookmarks[] = "sync.bookmarks";
1854  const char kSyncDictionary[] = "sync.dictionary";
1855  const char kSyncExtensionSettings[] = "sync.extension_settings";
1856  const char kSyncExtensions[] = "sync.extensions";
1857  const char kSyncFaviconImages[] = "sync.favicon_images";
1858  const char kSyncFaviconTracking[] = "sync.favicon_tracking";
1859  const char kSyncHistoryDeleteDirectives[] = "sync.history_delete_directives";
1860  const char kSyncManagedUserSettings[] = "sync.managed_user_settings";
1861  const char kSyncManagedUsers[] = "sync.managed_users";
1862  const char kSyncArticles[] = "sync.articles";
1863  const char kSyncPasswords[] = "sync.passwords";
1864  const char kSyncPreferences[] = "sync.preferences";
1865  const char kSyncPriorityPreferences[] = "sync.priority_preferences";
1866  const char kSyncSearchEngines[] = "sync.search_engines";
1867  const char kSyncSessions[] = "sync.sessions";
1868  const char kSyncSyncedNotifications[] = "sync.synced_notifications";
1869  const char kSyncTabs[] = "sync.tabs";
1870  const char kSyncThemes[] = "sync.themes";
1871  const char kSyncTypedUrls[] = "sync.typed_urls";
1872  
1873  // Boolean used by enterprise configuration management in order to lock down
1874  // sync.
1875  const char kSyncManaged[] = "sync.managed";
1876  
1877  // Boolean to prevent sync from automatically starting up.  This is
1878  // used when sync is disabled by the user via the privacy dashboard.
1879  const char kSyncSuppressStart[] = "sync.suppress_start";
1880  
1881  // List of the currently acknowledged set of sync types, used to figure out
1882  // if a new sync type has rolled out so we can notify the user.
1883  const char kSyncAcknowledgedSyncTypes[] = "sync.acknowledged_types";
1884  
1885  // The GUID session sync will use to identify this client, even across sync
1886  // disable/enable events.
1887  const char kSyncSessionsGUID[] = "sync.session_sync_guid";
1888  
1889  // An ID to uniquely identify this client to the invalidator service.
1890  const char kInvalidatorClientId[] = "invalidator.client_id";
1891  
1892  // Opaque state from the invalidation subsystem that is persisted via prefs.
1893  // The value is base 64 encoded.
1894  const char kInvalidatorInvalidationState[] = "invalidator.invalidation_state";
1895  
1896  // List of received invalidations that have not been acted on by any clients
1897  // yet.  Used to keep invalidation clients in sync in case of a restart.
1898  const char kInvalidatorSavedInvalidations[] = "invalidator.saved_invalidations";
1899  
1900  // A string that can be used to restore sync encryption infrastructure on
1901  // startup so that the user doesn't need to provide credentials on each start.
1902  const char kSyncEncryptionBootstrapToken[] =
1903      "sync.encryption_bootstrap_token";
1904  
1905  // Same as kSyncEncryptionBootstrapToken, but derived from the keystore key,
1906  // so we don't have to do a GetKey command at restart.
1907  const char kSyncKeystoreEncryptionBootstrapToken[] =
1908      "sync.keystore_encryption_bootstrap_token";
1909  
1910  // Boolean tracking whether the user chose to specify a secondary encryption
1911  // passphrase.
1912  const char kSyncUsingSecondaryPassphrase[] = "sync.using_secondary_passphrase";
1913  
1914  // String the identifies the last user that logged into sync and other
1915  // google services. As opposed to kGoogleServicesUsername, this value is not
1916  // cleared on signout, but while the user is signed in the two values will
1917  // be the same.
1918  const char kGoogleServicesLastUsername[] = "google.services.last_username";
1919  
1920  // Obfuscated account ID that identifies the current user logged into sync and
1921  // other google services.
1922  const char kGoogleServicesUserAccountId[] = "google.services.user_account_id";
1923  
1924  // String that identifies the current user logged into sync and other google
1925  // services.
1926  const char kGoogleServicesUsername[] = "google.services.username";
1927  
1928  // Local state pref containing a string regex that restricts which accounts
1929  // can be used to log in to chrome (e.g. "*@google.com"). If missing or blank,
1930  // all accounts are allowed (no restrictions).
1931  const char kGoogleServicesUsernamePattern[] =
1932      "google.services.username_pattern";
1933  
1934  // Local hash of authentication password, used for off-line authentication
1935  // when on-line authentication is not available.
1936  const char kGoogleServicesPasswordHash[] = "google.services.password_hash";
1937  
1938  #if !defined(OS_ANDROID)
1939  // Tracks the number of times that we have shown the sign in promo at startup.
1940  const char kSignInPromoStartupCount[] = "sync_promo.startup_count";
1941  
1942  // Boolean tracking whether the user chose to skip the sign in promo.
1943  const char kSignInPromoUserSkipped[] = "sync_promo.user_skipped";
1944  
1945  // Boolean that specifies if the sign in promo is allowed to show on first run.
1946  // This preference is specified in the master preference file to suppress the
1947  // sign in promo for some installations.
1948  const char kSignInPromoShowOnFirstRunAllowed[] =
1949      "sync_promo.show_on_first_run_allowed";
1950  
1951  // Boolean that specifies if we should show a bubble in the new tab page.
1952  // The bubble is used to confirm that the user is signed into sync.
1953  const char kSignInPromoShowNTPBubble[] = "sync_promo.show_ntp_bubble";
1954  #endif
1955  
1956  // Time when the user's GAIA info was last updated (represented as an int64).
1957  const char kProfileGAIAInfoUpdateTime[] = "profile.gaia_info_update_time";
1958  
1959  // The URL from which the GAIA profile picture was downloaded. This is cached to
1960  // prevent the same picture from being downloaded multiple times.
1961  const char kProfileGAIAInfoPictureURL[] = "profile.gaia_info_picture_url";
1962  
1963  // Create web application shortcut dialog preferences.
1964  const char kWebAppCreateOnDesktop[] = "browser.web_app.create_on_desktop";
1965  const char kWebAppCreateInAppsMenu[] = "browser.web_app.create_in_apps_menu";
1966  const char kWebAppCreateInQuickLaunchBar[] =
1967      "browser.web_app.create_in_quick_launch_bar";
1968  
1969  // Dictionary that maps Geolocation network provider server URLs to
1970  // corresponding access token.
1971  const char kGeolocationAccessToken[] = "geolocation.access_token";
1972  
1973  // Boolean that indicates whether to allow firewall traversal while trying to
1974  // establish the initial connection from the client or host.
1975  const char kRemoteAccessHostFirewallTraversal[] =
1976      "remote_access.host_firewall_traversal";
1977  
1978  // Boolean controlling whether 2-factor auth should be required when connecting
1979  // to a host (instead of a PIN).
1980  const char kRemoteAccessHostRequireTwoFactor[] =
1981      "remote_access.host_require_two_factor";
1982  
1983  // String containing the domain name that hosts must belong to. If blank, then
1984  // hosts can belong to any domain.
1985  const char kRemoteAccessHostDomain[] = "remote_access.host_domain";
1986  
1987  // String containing the domain name of the Chromoting Directory.
1988  // Used by Chromoting host and client.
1989  const char kRemoteAccessHostTalkGadgetPrefix[] =
1990      "remote_access.host_talkgadget_prefix";
1991  
1992  // Boolean controlling whether curtaining is required when connecting to a host.
1993  const char kRemoteAccessHostRequireCurtain[] =
1994      "remote_access.host_require_curtain";
1995  
1996  // Boolean controlling whether curtaining is required when connecting to a host.
1997  const char kRemoteAccessHostAllowClientPairing[] =
1998      "remote_access.host_allow_client_pairing";
1999  
2000  // The last used printer and its settings.
2001  const char kPrintPreviewStickySettings[] =
2002      "printing.print_preview_sticky_settings";
2003  // The root URL of the cloud print service.
2004  const char kCloudPrintServiceURL[] = "cloud_print.service_url";
2005  
2006  // The URL to use to sign in to cloud print.
2007  const char kCloudPrintSigninURL[] = "cloud_print.signin_url";
2008  
2009  // The last requested size of the dialog as it was closed.
2010  const char kCloudPrintDialogWidth[] = "cloud_print.dialog_size.width";
2011  const char kCloudPrintDialogHeight[] = "cloud_print.dialog_size.height";
2012  const char kCloudPrintSigninDialogWidth[] =
2013      "cloud_print.signin_dialog_size.width";
2014  const char kCloudPrintSigninDialogHeight[] =
2015      "cloud_print.signin_dialog_size.height";
2016  
2017  // The list of BackgroundContents that should be loaded when the browser
2018  // launches.
2019  const char kRegisteredBackgroundContents[] = "background_contents.registered";
2020  
2021  #if !defined(OS_ANDROID)
2022  // An int that stores how often we've shown the "Chrome is configured to
2023  // auto-launch" infobar.
2024  const char kShownAutoLaunchInfobar[] = "browser.shown_autolaunch_infobar";
2025  #endif
2026  
2027  // String that lists supported HTTP authentication schemes.
2028  const char kAuthSchemes[] = "auth.schemes";
2029  
2030  // Boolean that specifies whether to disable CNAME lookups when generating
2031  // Kerberos SPN.
2032  const char kDisableAuthNegotiateCnameLookup[] =
2033      "auth.disable_negotiate_cname_lookup";
2034  
2035  // Boolean that specifies whether to include the port in a generated Kerberos
2036  // SPN.
2037  const char kEnableAuthNegotiatePort[] = "auth.enable_negotiate_port";
2038  
2039  // Whitelist containing servers for which Integrated Authentication is enabled.
2040  const char kAuthServerWhitelist[] = "auth.server_whitelist";
2041  
2042  // Whitelist containing servers Chrome is allowed to do Kerberos delegation
2043  // with.
2044  const char kAuthNegotiateDelegateWhitelist[] =
2045      "auth.negotiate_delegate_whitelist";
2046  
2047  // String that specifies the name of a custom GSSAPI library to load.
2048  const char kGSSAPILibraryName[] = "auth.gssapi_library_name";
2049  
2050  // String that specifies the origin allowed to use SpdyProxy
2051  // authentication, if any.
2052  const char kSpdyProxyAuthOrigin[] = "auth.spdyproxy.origin";
2053  
2054  // Boolean that specifies whether to allow basic auth prompting on cross-
2055  // domain sub-content requests.
2056  const char kAllowCrossOriginAuthPrompt[] = "auth.allow_cross_origin_prompt";
2057  
2058  // Boolean that specifies whether the built-in asynchronous DNS client is used.
2059  const char kBuiltInDnsClientEnabled[] = "async_dns.enabled";
2060  
2061  // An int64 pref that contains the total size of all HTTP content that has been
2062  // received from the network.
2063  const char kHttpReceivedContentLength[] = "http_received_content_length";
2064  
2065  // An int64 pref that contains the total original size of all HTTP content that
2066  // was received over the network.
2067  const char kHttpOriginalContentLength[] = "http_original_content_length";
2068  
2069  #if defined(OS_ANDROID) || defined(OS_IOS)
2070  // A List pref that contains daily totals of the original size of all HTTP/HTTPS
2071  // that was received from the network.
2072  const char kDailyHttpOriginalContentLength[] =
2073      "data_reduction.daily_original_length";
2074  
2075  // A List pref that contains daily totals of the size of all HTTP/HTTPS content
2076  // that was received from the network.
2077  const char kDailyHttpReceivedContentLength[] =
2078      "data_reduction.daily_received_length";
2079  
2080  // A List pref that contains daily totals of the original size of all HTTP/HTTPS
2081  // that was received while the data reduction proxy is enabled.
2082  const char kDailyOriginalContentLengthWithDataReductionProxyEnabled[] =
2083      "data_reduction.daily_original_length_with_data_reduction_proxy_enabled";
2084  
2085  // A List pref that contains daily totals of the size of all HTTP/HTTPS
2086  // that was received while the data reduction proxy is enabled.
2087  const char kDailyContentLengthWithDataReductionProxyEnabled[] =
2088      "data_reduction.daily_received_length_with_data_reduction_proxy_enabled";
2089  
2090  const char kDailyContentLengthHttpsWithDataReductionProxyEnabled[] =
2091      "data_reduction.daily_received_length_https_with_"
2092      "data_reduction_proxy_enabled";
2093  const char kDailyContentLengthShortBypassWithDataReductionProxyEnabled[] =
2094      "data_reduction.daily_received_length_short_bypass_with_"
2095      "data_reduction_proxy_enabled";
2096  const char kDailyContentLengthLongBypassWithDataReductionProxyEnabled[] =
2097      "data_reduction.daily_received_length_long_bypass_with_"
2098      "data_reduction_proxy_enabled";
2099  const char kDailyContentLengthUnknownWithDataReductionProxyEnabled[] =
2100      "data_reduction.daily_received_length_unknown_with_"
2101      "data_reduction_proxy_enabled";
2102  
2103  // A List pref that contains daily totals of the original size of all HTTP/HTTPS
2104  // that was received via the data reduction proxy.
2105  const char kDailyOriginalContentLengthViaDataReductionProxy[] =
2106      "data_reduction.daily_original_length_via_data_reduction_proxy";
2107  
2108  // A List pref that contains daily totals of the size of all HTTP/HTTPS
2109  // that was received via the data reduction proxy.
2110  const char kDailyContentLengthViaDataReductionProxy[] =
2111      "data_reduction.daily_received_length_via_data_reduction_proxy";
2112  
2113  // An int64 pref that contains an internal representation of midnight on the
2114  // date of the last update to |kDailyHttp{Original,Received}ContentLength|.
2115  const char kDailyHttpContentLengthLastUpdateDate[] =
2116      "data_reduction.last_update_date";
2117  #endif  // defined(OS_ANDROID) || defined(OS_IOS)
2118  
2119  // A pref holding the value of the policy used to explicitly allow or deny
2120  // access to audio capture devices.  When enabled or not set, the user is
2121  // prompted for device access.  When disabled, access to audio capture devices
2122  // is not allowed and no prompt will be shown.
2123  // See also kAudioCaptureAllowedUrls.
2124  const char kAudioCaptureAllowed[] = "hardware.audio_capture_enabled";
2125  // Holds URL patterns that specify URLs that will be granted access to audio
2126  // capture devices without prompt.  NOTE: This whitelist is currently only
2127  // supported when running in kiosk mode.
2128  // TODO(tommi): Update comment when this is supported for all modes.
2129  const char kAudioCaptureAllowedUrls[] = "hardware.audio_capture_allowed_urls";
2130  
2131  // A pref holding the value of the policy used to explicitly allow or deny
2132  // access to video capture devices.  When enabled or not set, the user is
2133  // prompted for device access.  When disabled, access to video capture devices
2134  // is not allowed and no prompt will be shown.
2135  const char kVideoCaptureAllowed[] = "hardware.video_capture_enabled";
2136  // Holds URL patterns that specify URLs that will be granted access to video
2137  // capture devices without prompt.  NOTE: This whitelist is currently only
2138  // supported when running in kiosk mode.
2139  // TODO(tommi): Update comment when this is supported for all modes.
2140  const char kVideoCaptureAllowedUrls[] = "hardware.video_capture_allowed_urls";
2141  
2142  // A boolean pref that controls the enabled-state of hotword search voice
2143  // trigger.
2144  const char kHotwordSearchEnabled[] = "hotword.search_enabled";
2145  
2146  // A boolean pref that controls the enabled-state of hotword search voice
2147  // trigger when using incognito mode.
2148  const char kHotwordSearchIncognitoEnabled[] =
2149      "hotword.incognito_search_enabled";
2150  
2151  #if defined(OS_ANDROID)
2152  // Boolean that controls the global enabled-state of protected media identifier.
2153  const char kProtectedMediaIdentifierEnabled[] =
2154      "protected_media_identifier.enabled";
2155  #endif
2156  
2157  #if defined(OS_CHROMEOS)
2158  // Dictionary for transient storage of settings that should go into device
2159  // settings storage before owner has been assigned.
2160  const char kDeviceSettingsCache[] = "signed_settings_cache";
2161  
2162  // The hardware keyboard layout of the device. This should look like
2163  // "xkb:us::eng".
2164  const char kHardwareKeyboardLayout[] = "intl.hardware_keyboard";
2165  
2166  // An integer pref which shows number of times carrier deal promo
2167  // notification has been shown to user.
2168  const char kCarrierDealPromoShown[] =
2169      "settings.internet.mobile.carrier_deal_promo_shown";
2170  
2171  // A boolean pref of the auto-enrollment decision. Its value is only valid if
2172  // it's not the default value; otherwise, no auto-enrollment decision has been
2173  // made yet.
2174  const char kShouldAutoEnroll[] = "ShouldAutoEnroll";
2175  
2176  // An integer pref with the maximum number of bits used by the client in a
2177  // previous auto-enrollment request. If the client goes through an auto update
2178  // during OOBE and reboots into a version of the OS with a larger maximum
2179  // modulus, then it will retry auto-enrollment using the updated value.
2180  const char kAutoEnrollmentPowerLimit[] = "AutoEnrollmentPowerLimit";
2181  
2182  // The local state pref that stores device activity times before reporting
2183  // them to the policy server.
2184  const char kDeviceActivityTimes[] = "device_status.activity_times";
2185  
2186  // A pref holding the last known location when device location reporting is
2187  // enabled.
2188  const char kDeviceLocation[] = "device_status.location";
2189  
2190  // A string that is used to store first-time sync startup after once sync is
2191  // disabled. This will be refreshed every sign-in.
2192  const char kSyncSpareBootstrapToken[] = "sync.spare_bootstrap_token";
2193  
2194  // A pref holding the value of the policy used to disable mounting of external
2195  // storage for the user.
2196  const char kExternalStorageDisabled[] = "hardware.external_storage_disabled";
2197  
2198  // A pref holding the value of the policy used to disable playing audio on
2199  // ChromeOS devices. This pref overrides |kAudioMute| but does not overwrite
2200  // it, therefore when the policy is lifted the original mute state is restored.
2201  const char kAudioOutputAllowed[] = "hardware.audio_output_enabled";
2202  
2203  // A dictionary that maps usernames to wallpaper properties.
2204  const char kUsersWallpaperInfo[] = "user_wallpaper_info";
2205  
2206  // Copy of owner swap mouse buttons option to use on login screen.
2207  const char kOwnerPrimaryMouseButtonRight[] = "owner.mouse.primary_right";
2208  
2209  // Copy of owner tap-to-click option to use on login screen.
2210  const char kOwnerTapToClickEnabled[] = "owner.touchpad.enable_tap_to_click";
2211  
2212  // The length of device uptime after which an automatic reboot is scheduled,
2213  // expressed in seconds.
2214  const char kUptimeLimit[] = "automatic_reboot.uptime_limit";
2215  
2216  // Whether an automatic reboot should be scheduled when an update has been
2217  // applied and a reboot is required to complete the update process.
2218  const char kRebootAfterUpdate[] = "automatic_reboot.reboot_after_update";
2219  
2220  // An any-api scoped refresh token for enterprise-enrolled devices.  Allows
2221  // for connection to Google APIs when the user isn't logged in.  Currently used
2222  // for for getting a cloudprint scoped token to allow printing in Guest mode,
2223  // Public Accounts and kiosks.
2224  const char kDeviceRobotAnyApiRefreshToken[] =
2225      "device_robot_refresh_token.any-api";
2226  
2227  // Device requisition for enterprise enrollment.
2228  const char kDeviceEnrollmentRequisition[] = "enrollment.device_requisition";
2229  
2230  // Whether to automatically start the enterprise enrollment step during OOBE.
2231  const char kDeviceEnrollmentAutoStart[] = "enrollment.auto_start";
2232  
2233  // Whether the user may exit enrollment.
2234  const char kDeviceEnrollmentCanExit[] = "enrollment.can_exit";
2235  
2236  // Dictionary of per-user Least Recently Used input method (used at login
2237  // screen).
2238  extern const char kUsersLRUInputMethod[] = "UsersLRUInputMethod";
2239  
2240  // A dictionary pref of the echo offer check flag. It sets offer info when
2241  // an offer is checked.
2242  extern const char kEchoCheckedOffers[] = "EchoCheckedOffers";
2243  
2244  // Key name of a dictionary in local state to store cached multiprofle user
2245  // behavior policy value.
2246  const char kCachedMultiProfileUserBehavior[] = "CachedMultiProfileUserBehavior";
2247  
2248  // A string pref with initial locale set in VPD or manifest.
2249  const char kInitialLocale[] = "intl.initial_locale";
2250  
2251  // A boolean pref of the OOBE complete flag (first OOBE part before login).
2252  const char kOobeComplete[] = "OobeComplete";
2253  
2254  // A boolean pref of the device registered flag (second part after first login).
2255  const char kDeviceRegistered[] = "DeviceRegistered";
2256  
2257  // List of usernames that used certificates pushed by policy before.
2258  // This is used to prevent these users from joining multiprofile sessions.
2259  const char kUsedPolicyCertificates[] = "policy.used_policy_certificates";
2260  
2261  #endif
2262  
2263  // Whether there is a Flash version installed that supports clearing LSO data.
2264  const char kClearPluginLSODataEnabled[] = "browser.clear_lso_data_enabled";
2265  
2266  // Whether we should show Pepper Flash-specific settings.
2267  const char kPepperFlashSettingsEnabled[] =
2268      "browser.pepper_flash_settings_enabled";
2269  
2270  // String which specifies where to store the disk cache.
2271  const char kDiskCacheDir[] = "browser.disk_cache_dir";
2272  // Pref name for the policy specifying the maximal cache size.
2273  const char kDiskCacheSize[] = "browser.disk_cache_size";
2274  // Pref name for the policy specifying the maximal media cache size.
2275  const char kMediaCacheSize[] = "browser.media_cache_size";
2276  
2277  // Specifies the release channel that the device should be locked to.
2278  // Possible values: "stable-channel", "beta-channel", "dev-channel", or an
2279  // empty string, in which case the value will be ignored.
2280  // TODO(dubroy): This preference may not be necessary once
2281  // http://crosbug.com/17015 is implemented and the update engine can just
2282  // fetch the correct value from the policy.
2283  const char kChromeOsReleaseChannel[] = "cros.system.releaseChannel";
2284  
2285  const char kPerformanceTracingEnabled[] =
2286      "feedback.performance_tracing_enabled";
2287  
2288  // Value of the enums in TabStrip::LayoutType as an int.
2289  const char kTabStripLayoutType[] = "tab_strip_layout_type";
2290  
2291  // Indicates that factory reset was requested from options page.
2292  const char kFactoryResetRequested[] = "FactoryResetRequested";
2293  
2294  // Boolean recording whether we have showed a balloon that calls out the message
2295  // center for desktop notifications.
2296  const char kMessageCenterShowedFirstRunBalloon[] =
2297      "message_center.showed_first_run_balloon";
2298  
2299  // *************** SERVICE PREFS ***************
2300  // These are attached to the service process.
2301  
2302  const char kCloudPrintRoot[] = "cloud_print";
2303  const char kCloudPrintProxyEnabled[] = "cloud_print.enabled";
2304  // The unique id for this instance of the cloud print proxy.
2305  const char kCloudPrintProxyId[] = "cloud_print.proxy_id";
2306  // The GAIA auth token for Cloud Print
2307  const char kCloudPrintAuthToken[] = "cloud_print.auth_token";
2308  // The GAIA auth token used by Cloud Print to authenticate with the XMPP server
2309  // This should eventually go away because the above token should work for both.
2310  const char kCloudPrintXMPPAuthToken[] = "cloud_print.xmpp_auth_token";
2311  // The email address of the account used to authenticate with the Cloud Print
2312  // server.
2313  const char kCloudPrintEmail[] = "cloud_print.email";
2314  // Settings specific to underlying print system.
2315  const char kCloudPrintPrintSystemSettings[] =
2316      "cloud_print.print_system_settings";
2317  // A boolean indicating whether we should poll for print jobs when don't have
2318  // an XMPP connection (false by default).
2319  const char kCloudPrintEnableJobPoll[] = "cloud_print.enable_job_poll";
2320  const char kCloudPrintRobotRefreshToken[] = "cloud_print.robot_refresh_token";
2321  const char kCloudPrintRobotEmail[] = "cloud_print.robot_email";
2322  // A boolean indicating whether we should connect to cloud print new printers.
2323  const char kCloudPrintConnectNewPrinters[] =
2324      "cloud_print.user_settings.connectNewPrinters";
2325  // A boolean indicating whether we should ping XMPP connection.
2326  const char kCloudPrintXmppPingEnabled[] = "cloud_print.xmpp_ping_enabled";
2327  // An int value indicating the average timeout between xmpp pings.
2328  const char kCloudPrintXmppPingTimeout[] = "cloud_print.xmpp_ping_timeout_sec";
2329  // Dictionary with settings stored by connector setup page.
2330  const char kCloudPrintUserSettings[] = "cloud_print.user_settings";
2331  // List of printers settings.
2332  extern const char kCloudPrintPrinters[] = "cloud_print.user_settings.printers";
2333  // A boolean indicating whether submitting jobs to Google Cloud Print is
2334  // blocked by policy.
2335  const char kCloudPrintSubmitEnabled[] = "cloud_print.submit_enabled";
2336  
2337  // Preference to store proxy settings.
2338  const char kProxy[] = "proxy";
2339  const char kMaxConnectionsPerProxy[] = "net.max_connections_per_proxy";
2340  
2341  // Preferences that are exclusively used to store managed values for default
2342  // content settings.
2343  const char kManagedDefaultCookiesSetting[] =
2344      "profile.managed_default_content_settings.cookies";
2345  const char kManagedDefaultImagesSetting[] =
2346      "profile.managed_default_content_settings.images";
2347  const char kManagedDefaultJavaScriptSetting[] =
2348      "profile.managed_default_content_settings.javascript";
2349  const char kManagedDefaultPluginsSetting[] =
2350      "profile.managed_default_content_settings.plugins";
2351  const char kManagedDefaultPopupsSetting[] =
2352      "profile.managed_default_content_settings.popups";
2353  const char kManagedDefaultGeolocationSetting[] =
2354      "profile.managed_default_content_settings.geolocation";
2355  const char kManagedDefaultNotificationsSetting[] =
2356      "profile.managed_default_content_settings.notifications";
2357  const char kManagedDefaultMediaStreamSetting[] =
2358      "profile.managed_default_content_settings.media_stream";
2359  
2360  // Preferences that are exclusively used to store managed
2361  // content settings patterns.
2362  const char kManagedCookiesAllowedForUrls[] =
2363      "profile.managed_cookies_allowed_for_urls";
2364  const char kManagedCookiesBlockedForUrls[] =
2365      "profile.managed_cookies_blocked_for_urls";
2366  const char kManagedCookiesSessionOnlyForUrls[] =
2367      "profile.managed_cookies_sessiononly_for_urls";
2368  const char kManagedImagesAllowedForUrls[] =
2369      "profile.managed_images_allowed_for_urls";
2370  const char kManagedImagesBlockedForUrls[] =
2371      "profile.managed_images_blocked_for_urls";
2372  const char kManagedJavaScriptAllowedForUrls[] =
2373      "profile.managed_javascript_allowed_for_urls";
2374  const char kManagedJavaScriptBlockedForUrls[] =
2375      "profile.managed_javascript_blocked_for_urls";
2376  const char kManagedPluginsAllowedForUrls[] =
2377      "profile.managed_plugins_allowed_for_urls";
2378  const char kManagedPluginsBlockedForUrls[] =
2379      "profile.managed_plugins_blocked_for_urls";
2380  const char kManagedPopupsAllowedForUrls[] =
2381      "profile.managed_popups_allowed_for_urls";
2382  const char kManagedPopupsBlockedForUrls[] =
2383      "profile.managed_popups_blocked_for_urls";
2384  const char kManagedNotificationsAllowedForUrls[] =
2385      "profile.managed_notifications_allowed_for_urls";
2386  const char kManagedNotificationsBlockedForUrls[] =
2387      "profile.managed_notifications_blocked_for_urls";
2388  const char kManagedAutoSelectCertificateForUrls[] =
2389      "profile.managed_auto_select_certificate_for_urls";
2390  
2391  #if defined(OS_MACOSX)
2392  // Set to true if the user removed our login item so we should not create a new
2393  // one when uninstalling background apps.
2394  const char kUserRemovedLoginItem[] = "background_mode.user_removed_login_item";
2395  
2396  // Set to true if Chrome already created a login item, so there's no need to
2397  // create another one.
2398  const char kChromeCreatedLoginItem[] =
2399    "background_mode.chrome_created_login_item";
2400  
2401  // Set to true once we've initialized kChromeCreatedLoginItem for the first
2402  // time.
2403  const char kMigratedLoginItemPref[] =
2404    "background_mode.migrated_login_item_pref";
2405  #endif
2406  
2407  // Set to true if background mode is enabled on this browser.
2408  const char kBackgroundModeEnabled[] = "background_mode.enabled";
2409  
2410  // Set to true if hardware acceleration mode is enabled on this browser.
2411  const char kHardwareAccelerationModeEnabled[] =
2412    "hardware_acceleration_mode.enabled";
2413  
2414  // Hardware acceleration mode from previous browser launch.
2415  const char kHardwareAccelerationModePrevious[] =
2416    "hardware_acceleration_mode_previous";
2417  
2418  // List of protocol handlers.
2419  const char kRegisteredProtocolHandlers[] =
2420    "custom_handlers.registered_protocol_handlers";
2421  
2422  // List of protocol handlers the user has requested not to be asked about again.
2423  const char kIgnoredProtocolHandlers[] =
2424    "custom_handlers.ignored_protocol_handlers";
2425  
2426  // Whether user-specified handlers for protocols and content types can be
2427  // specified.
2428  const char kCustomHandlersEnabled[] = "custom_handlers.enabled";
2429  
2430  // Integer that specifies the policy refresh rate for device-policy in
2431  // milliseconds. Not all values are meaningful, so it is clamped to a sane range
2432  // by the cloud policy subsystem.
2433  const char kDevicePolicyRefreshRate[] = "policy.device_refresh_rate";
2434  
2435  // String that represents the recovery component last downloaded version. This
2436  // takes the usual 'a.b.c.d' notation.
2437  const char kRecoveryComponentVersion[] = "recovery_component.version";
2438  
2439  // String that stores the component updater last known state. This is used for
2440  // troubleshooting.
2441  const char kComponentUpdaterState[] = "component_updater.state";
2442  
2443  // The next media gallery ID to assign.
2444  const char kMediaGalleriesUniqueId[] = "media_galleries.gallery_id";
2445  
2446  // A list of dictionaries, where each dictionary represents a known media
2447  // gallery.
2448  const char kMediaGalleriesRememberedGalleries[] =
2449      "media_galleries.remembered_galleries";
2450  
2451  #if defined(USE_ASH)
2452  // |kShelfAlignment| and |kShelfAutoHideBehavior| have a local variant. The
2453  // local variant is not synced and is used if set. If the local variant is not
2454  // set its value is set from the synced value (once prefs have been
2455  // synced). This gives a per-machine setting that is initialized from the last
2456  // set value.
2457  // These values are default on the machine but can be overridden by per-display
2458  // values in kShelfPreferences (unless overridden by managed policy).
2459  // String value corresponding to ash::Shell::ShelfAlignment.
2460  const char kShelfAlignment[] = "shelf_alignment";
2461  const char kShelfAlignmentLocal[] = "shelf_alignment_local";
2462  // String value corresponding to ash::Shell::ShelfAutoHideBehavior.
2463  const char kShelfAutoHideBehavior[] = "auto_hide_behavior";
2464  const char kShelfAutoHideBehaviorLocal[] = "auto_hide_behavior_local";
2465  // This value stores chrome icon's index in the launcher. This should be handled
2466  // separately with app shortcut's index because of ShelfModel's backward
2467  // compatability. If we add chrome icon index to |kPinnedLauncherApps|, its
2468  // index is also stored in the |kPinnedLauncherApp| pref. It may causes
2469  // creating two chrome icons.
2470  const char kShelfChromeIconIndex[] = "shelf_chrome_icon_index";
2471  
2472  const char kPinnedLauncherApps[] = "pinned_launcher_apps";
2473  // Boolean value indicating whether to show a logout button in the ash tray.
2474  const char kShowLogoutButtonInTray[] = "show_logout_button_in_tray";
2475  // Dictionary value that holds per-display preference of shelf alignment and
2476  // auto-hide behavior. Key of the dictionary is the id of the display, and
2477  // its value is a dictionary whose keys are kShelfAlignment and
2478  // kShelfAutoHideBehavior.
2479  const char kShelfPreferences[] = "shelf_preferences";
2480  #endif
2481  
2482  #if defined(USE_AURA)
2483  // Tuning settings for gestures.
2484  const char kFlingVelocityCap[] = "gesture.fling_velocity_cap";
2485  const char kLongPressTimeInSeconds[] =
2486      "gesture.long_press_time_in_seconds";
2487  const char kMaxDistanceBetweenTapsForDoubleTap[] =
2488      "gesture.max_distance_between_taps_for_double_tap";
2489  const char kMaxDistanceForTwoFingerTapInPixels[] =
2490      "gesture.max_distance_for_two_finger_tap_in_pixels";
2491  const char kMaxSecondsBetweenDoubleClick[] =
2492      "gesture.max_seconds_between_double_click";
2493  const char kMaxSeparationForGestureTouchesInPixels[] =
2494      "gesture.max_separation_for_gesture_touches_in_pixels";
2495  const char kMaxSwipeDeviationRatio[] =
2496      "gesture.max_swipe_deviation_ratio";
2497  const char kMaxTouchDownDurationInSecondsForClick[] =
2498      "gesture.max_touch_down_duration_in_seconds_for_click";
2499  const char kMaxTouchMoveInPixelsForClick[] =
2500      "gesture.max_touch_move_in_pixels_for_click";
2501  const char kMinDistanceForPinchScrollInPixels[] =
2502      "gesture.min_distance_for_pinch_scroll_in_pixels";
2503  const char kMinFlickSpeedSquared[] =
2504      "gesture.min_flick_speed_squared";
2505  const char kMinPinchUpdateDistanceInPixels[] =
2506      "gesture.min_pinch_update_distance_in_pixels";
2507  const char kMinRailBreakVelocity[] =
2508      "gesture.min_rail_break_velocity";
2509  const char kMinScrollDeltaSquared[] =
2510      "gesture.min_scroll_delta_squared";
2511  const char kMinScrollSuccessiveVelocityEvents[] =
2512      "gesture.min_scroll_successive_velocity_events";
2513  const char kMinSwipeSpeed[] =
2514      "gesture.min_swipe_speed";
2515  const char kMinTouchDownDurationInSecondsForClick[] =
2516      "gesture.min_touch_down_duration_in_seconds_for_click";
2517  const char kPointsBufferedForVelocity[] =
2518      "gesture.points_buffered_for_velocity";
2519  const char kRailBreakProportion[] =
2520      "gesture.rail_break_proportion";
2521  const char kRailStartProportion[] =
2522      "gesture.rail_start_proportion";
2523  const char kScrollPredictionSeconds[] =
2524      "gesture.scroll_prediction_seconds";
2525  const char kSemiLongPressTimeInSeconds[] =
2526      "gesture.semi_long_press_time_in_seconds";
2527  const char kShowPressDelayInMS[] =
2528      "gesture.show_press_delay_in_ms";
2529  const char kTabScrubActivationDelayInMS[] =
2530      "gesture.tab_scrub_activation_delay_in_ms";
2531  const char kFlingAccelerationCurveCoefficient0[] =
2532      "gesture.fling_acceleration_curve_coefficient_0";
2533  const char kFlingAccelerationCurveCoefficient1[] =
2534      "gesture.fling_acceleration_curve_coefficient_1";
2535  const char kFlingAccelerationCurveCoefficient2[] =
2536      "gesture.fling_acceleration_curve_coefficient_2";
2537  const char kFlingAccelerationCurveCoefficient3[] =
2538      "gesture.fling_acceleration_curve_coefficient_3";
2539  const char kFlingCurveTouchpadAlpha[] = "flingcurve.touchpad_alpha";
2540  const char kFlingCurveTouchpadBeta[] = "flingcurve.touchpad_beta";
2541  const char kFlingCurveTouchpadGamma[] = "flingcurve.touchpad_gamma";
2542  const char kFlingCurveTouchscreenAlpha[] = "flingcurve.touchscreen_alpha";
2543  const char kFlingCurveTouchscreenBeta[] = "flingcurve.touchscreen_beta";
2544  const char kFlingCurveTouchscreenGamma[] = "flingcurve.touchscreen_gamma";
2545  const char kFlingMaxCancelToDownTimeInMs[] =
2546      "gesture.fling_max_cancel_to_down_time_in_ms";
2547  const char kFlingMaxTapGapTimeInMs[] =
2548      "gesture.fling_max_tap_gap_time_in_ms";
2549  const char kOverscrollHorizontalThresholdComplete[] =
2550      "overscroll.horizontal_threshold_complete";
2551  const char kOverscrollVerticalThresholdComplete[] =
2552      "overscroll.vertical_threshold_complete";
2553  const char kOverscrollMinimumThresholdStart[] =
2554      "overscroll.minimum_threshold_start";
2555  const char kOverscrollMinimumThresholdStartTouchpad[] =
2556      "overscroll.minimum_threshold_start_touchpad";
2557  const char kOverscrollVerticalThresholdStart[] =
2558      "overscroll.vertical_threshold_start";
2559  const char kOverscrollHorizontalResistThreshold[] =
2560      "overscroll.horizontal_resist_threshold";
2561  const char kOverscrollVerticalResistThreshold[] =
2562      "overscroll.vertical_resist_threshold";
2563  // TODO(mohsen): Remove following pref in M33. By then, it will have been
2564  // cleared from preferences file for majority of users and it will be ready to
2565  // be removed: crbug.com/269292.
2566  // A temporary pref to do a one-time wipe of gesture preferences.
2567  const char kGestureConfigIsTrustworthy[] = "gesture.config_is_trustworthy";
2568  #endif
2569  
2570  // Counts how many more times the 'profile on a network share' warning should be
2571  // shown to the user before the next silence period.
2572  const char kNetworkProfileWarningsLeft[] = "network_profile.warnings_left";
2573  // Tracks the time of the last shown warning. Used to reset
2574  // |network_profile.warnings_left| after a silence period.
2575  const char kNetworkProfileLastWarningTime[] =
2576      "network_profile.last_warning_time";
2577  
2578  #if defined(OS_CHROMEOS)
2579  // The RLZ brand code, if enabled.
2580  const char kRLZBrand[] = "rlz.brand";
2581  // Whether RLZ pings are disabled.
2582  const char kRLZDisabled[] = "rlz.disabled";
2583  #endif
2584  
2585  #if defined(ENABLE_APP_LIST)
2586  // The directory in user data dir that contains the profile to be used with the
2587  // app launcher.
2588  extern const char kAppListProfile[] = "app_list.profile";
2589  
2590  // Whether to show the app list on a browser relaunch. Used when switching out
2591  // of metro mode after a user gesture requests showing the app list.
2592  const char kRestartWithAppList[] = "app_list.show_on_relaunch";
2593  
2594  // The number of times the app launcher was launched since last ping and
2595  // the time of the last ping.
2596  extern const char kAppListLaunchCount[] = "app_list.launch_count";
2597  extern const char kLastAppListLaunchPing[] = "app_list.last_launch_ping";
2598  
2599  // The number of times the an app was launched from the app launcher since last
2600  // ping and the time of the last ping.
2601  extern const char kAppListAppLaunchCount[] = "app_list.app_launch_count";
2602  extern const char kLastAppListAppLaunchPing[] = "app_list.last_app_launch_ping";
2603  
2604  // A boolean that tracks whether the user has ever enabled the app launcher.
2605  const char kAppLauncherHasBeenEnabled[] =
2606      "apps.app_launcher.has_been_enabled";
2607  
2608  // TODO(calamity): remove this pref since app launcher will always be
2609  // installed.
2610  // Local state caching knowledge of whether the app launcher is installed.
2611  const char kAppLauncherIsEnabled[] =
2612      "apps.app_launcher.should_show_apps_page";
2613  
2614  // Integer representing the version of the app launcher shortcut installed on
2615  // the system. Incremented, e.g., when embedded icons change.
2616  const char kAppLauncherShortcutVersion[] = "apps.app_launcher.shortcut_version";
2617  
2618  // A boolean identifying if we should show the app launcher promo or not.
2619  const char kShowAppLauncherPromo[] = "app_launcher.show_promo";
2620  #endif
2621  
2622  // If set, the user requested to launch the app with this extension id while
2623  // in Metro mode, and then relaunched to Desktop mode to start it.
2624  const char kAppLaunchForMetroRestart[] = "apps.app_launch_for_metro_restart";
2625  
2626  // Set with |kAppLaunchForMetroRestart|, the profile whose loading triggers
2627  // launch of the specified app when restarting Chrome in desktop mode.
2628  const char kAppLaunchForMetroRestartProfile[] =
2629      "apps.app_launch_for_metro_restart_profile";
2630  
2631  // A boolean that indicates whether app shortcuts have been created.
2632  // On a transition from false to true, shortcuts are created for all apps.
2633  const char kAppShortcutsHaveBeenCreated[] = "apps.shortcuts_have_been_created";
2634  
2635  // How often the bubble has been shown.
2636  extern const char kModuleConflictBubbleShown[] = "module_conflict.bubble_shown";
2637  
2638  // A string pref for storing the salt used to compute the pepper device ID.
2639  const char kDRMSalt[] = "settings.privacy.drm_salt";
2640  // A boolean pref that enables the (private) pepper GetDeviceID() call and
2641  // enables the use of remote attestation for content protection.
2642  const char kEnableDRM[] = "settings.privacy.drm_enabled";
2643  
2644  // An integer per-profile pref that signals if the watchdog extension is
2645  // installed and active. We need to know if the watchdog extension active for
2646  // ActivityLog initialization before the extension system is initialized.
2647  const char kWatchdogExtensionActive[] =
2648      "profile.extensions.activity_log.num_consumers_active";
2649  // The old version was a bool.
2650  const char kWatchdogExtensionActiveOld[] =
2651      "profile.extensions.activity_log.watchdog_extension_active";
2652  
2653  // A dictionary pref which maps profile names to dictionary values which hold
2654  // hashes of profile prefs that we track to detect changes that happen outside
2655  // of Chrome.
2656  const char kProfilePreferenceHashes[] = "profile.preference_hashes";
2657  
2658  // Stores a pair of local time and corresponding network time to bootstrap
2659  // network time tracker when browser starts.
2660  const char kNetworkTimeMapping[] = "profile.network_time_mapping";
2661  
2662  #if defined(OS_ANDROID)
2663  // A list of partner bookmark rename/remove mappings.
2664  // Each list item is a dictionary containing a "url", a "provider_title" and
2665  // "mapped_title" entries, detailing the bookmark target URL (if any), the title
2666  // given by the PartnerBookmarksProvider and either the user-visible renamed
2667  // title or an empty string if the bookmark node was removed.
2668  const char kPartnerBookmarkMappings[] = "partnerbookmarks.mappings";
2669  #endif
2670  
2671  #if defined(OS_WIN)
2672  // Whether the password was blank, only valid if OS password was last changed
2673  // on or before the value contained in kOsPasswordLastChanged.
2674  const char kOsPasswordBlank[] = "password_manager.os_password_blank";
2675  
2676  // The number of seconds since epoch that the OS password was last changed.
2677  const char kOsPasswordLastChanged[] =
2678      "password_manager.os_password_last_changed";
2679  #endif
2680  }  // namespace prefs
2681