• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 // If set to true profiles are created in ephemeral mode and do not store their
31 // data in the profile folder on disk but only in memory.
32 const char kForceEphemeralProfiles[] = "profile.ephemeral_mode";
33 
34 // A boolean specifying whether the New Tab page is the home page or not.
35 const char kHomePageIsNewTabPage[] = "homepage_is_newtabpage";
36 
37 // This is the URL of the page to load when opening new tabs.
38 const char kHomePage[] = "homepage";
39 
40 // An integer that keeps track of the profile icon version. This allows us to
41 // determine the state of the profile icon for icon format changes.
42 const char kProfileIconVersion[] = "profile.icon_version";
43 
44 // Used to determine if the last session exited cleanly. Set to false when
45 // first opened, and to true when closing. On startup if the value is false,
46 // it means the profile didn't exit cleanly.
47 // DEPRECATED: this is replaced by kSessionExitType and exists for backwards
48 // compatibility.
49 const char kSessionExitedCleanly[] = "profile.exited_cleanly";
50 
51 // A string pref whose values is one of the values defined by
52 // |ProfileImpl::kPrefExitTypeXXX|. Set to |kPrefExitTypeCrashed| on startup and
53 // one of |kPrefExitTypeNormal| or |kPrefExitTypeSessionEnded| during
54 // shutdown. Used to determine the exit type the last time the profile was open.
55 const char kSessionExitType[] = "profile.exit_type";
56 
57 // An integer pref. Holds one of several values:
58 // 0: (deprecated) open the homepage on startup.
59 // 1: restore the last session.
60 // 2: this was used to indicate a specific session should be restored. It is
61 //    no longer used, but saved to avoid conflict with old preferences.
62 // 3: unused, previously indicated the user wants to restore a saved session.
63 // 4: restore the URLs defined in kURLsToRestoreOnStartup.
64 // 5: open the New Tab Page on startup.
65 const char kRestoreOnStartup[] = "session.restore_on_startup";
66 
67 // A preference to keep track of whether we have already checked whether we
68 // need to migrate the user from kRestoreOnStartup=0 to kRestoreOnStartup=4.
69 // We only need to do this check once, on upgrade from m18 or lower to m19 or
70 // higher.
71 const char kRestoreOnStartupMigrated[] = "session.restore_on_startup_migrated";
72 
73 // Serialized migration time of kURLsToRestoreOnStartup (see
74 // base::Time::ToInternalValue for details on serialization format).
75 const char kRestoreStartupURLsMigrationTime[] =
76     "session.startup_urls_migration_time";
77 
78 // The URLs to restore on startup or when the home button is pressed. The URLs
79 // are only restored on startup if kRestoreOnStartup is 4.
80 const char kURLsToRestoreOnStartup[] = "session.startup_urls";
81 
82 // Old startup url pref name for kURLsToRestoreOnStartup.
83 const char kURLsToRestoreOnStartupOld[] = "session.urls_to_restore_on_startup";
84 
85 // Stores the email address associated with the google account of the custodian
86 // of the supervised user, set when the supervised user is created.
87 const char kSupervisedUserCustodianEmail[] = "profile.managed.custodian_email";
88 
89 // Stores the display name associated with the google account of the custodian
90 // of the supervised user, updated (if possible) each time the supervised user
91 // starts a session.
92 const char kSupervisedUserCustodianName[] = "profile.managed.custodian_name";
93 
94 // Stores the URL of the profile image associated with the google account of the
95 // custodian of the supervised user.
96 const char kSupervisedUserCustodianProfileImageURL[] =
97     "profile.managed.custodian_profile_image_url";
98 
99 // Stores the URL of the profile associated with the google account of the
100 // custodian of the supervised user.
101 const char kSupervisedUserCustodianProfileURL[] =
102     "profile.managed.custodian_profile_url";
103 
104 // Maps host names to whether the host is manually allowed or blocked.
105 const char kSupervisedUserManualHosts[] = "profile.managed.manual_hosts";
106 
107 // Maps URLs to whether the URL is manually allowed or blocked.
108 const char kSupervisedUserManualURLs[] = "profile.managed.manual_urls";
109 
110 // Stores the email address associated with the google account of the secondary
111 // custodian of the supervised user, set when the supervised user is created.
112 const char kSupervisedUserSecondCustodianEmail[] =
113     "profile.managed.second_custodian_email";
114 
115 // Stores the display name associated with the google account of the secondary
116 // custodian of the supervised user, updated (if possible) each time the
117 // supervised user starts a session.
118 const char kSupervisedUserSecondCustodianName[] =
119     "profile.managed.second_custodian_name";
120 
121 // Stores the URL of the profile image associated with the google account of the
122 // secondary custodian of the supervised user.
123 const char kSupervisedUserSecondCustodianProfileImageURL[] =
124     "profile.managed.second_custodian_profile_image_url";
125 
126 // Stores the URL of the profile associated with the google account of the
127 // secondary custodian of the supervised user.
128 const char kSupervisedUserSecondCustodianProfileURL[] =
129     "profile.managed.second_custodian_profile_url";
130 
131 // Stores settings that can be modified both by a supervised user and their
132 // manager. See SupervisedUserSharedSettingsService for a description of
133 // the format.
134 const char kSupervisedUserSharedSettings[] = "profile.managed.shared_settings";
135 
136 // The application locale.
137 // For OS_CHROMEOS we maintain kApplicationLocale property in both local state
138 // and user's profile.  Global property determines locale of login screen,
139 // while user's profile determines his personal locale preference.
140 const char kApplicationLocale[] = "intl.app_locale";
141 #if defined(OS_CHROMEOS)
142 // Locale preference of device' owner.  ChromeOS device appears in this locale
143 // after startup/wakeup/signout.
144 const char kOwnerLocale[] = "intl.owner_locale";
145 // Locale accepted by user.  Non-syncable.
146 // Used to determine whether we need to show Locale Change notification.
147 const char kApplicationLocaleAccepted[] = "intl.app_locale_accepted";
148 // Non-syncable item.
149 // It is used in two distinct ways.
150 // (1) Used for two-step initialization of locale in ChromeOS
151 //     because synchronization of kApplicationLocale is not instant.
152 // (2) Used to detect locale change.  Locale change is detected by
153 //     LocaleChangeGuard in case values of kApplicationLocaleBackup and
154 //     kApplicationLocale are both non-empty and differ.
155 // Following is a table showing how state of those prefs may change upon
156 // common real-life use cases:
157 //                                  AppLocale Backup Accepted
158 // Initial login                       -        A       -
159 // Sync                                B        A       -
160 // Accept (B)                          B        B       B
161 // -----------------------------------------------------------
162 // Initial login                       -        A       -
163 // No sync and second login            A        A       -
164 // Change options                      B        B       -
165 // -----------------------------------------------------------
166 // Initial login                       -        A       -
167 // Sync                                A        A       -
168 // Locale changed on login screen      A        C       -
169 // Accept (A)                          A        A       A
170 // -----------------------------------------------------------
171 // Initial login                       -        A       -
172 // Sync                                B        A       -
173 // Revert                              A        A       -
174 const char kApplicationLocaleBackup[] = "intl.app_locale_backup";
175 #endif
176 
177 // The default character encoding to assume for a web page in the
178 // absence of MIME charset specification
179 const char kDefaultCharset[] = "intl.charset_default";
180 
181 // The value to use for Accept-Languages HTTP header when making an HTTP
182 // request.
183 const char kAcceptLanguages[] = "intl.accept_languages";
184 
185 // The value to use for showing locale-dependent encoding list for different
186 // locale, it's initialized from the corresponding string resource that is
187 // stored in non-translatable part of the resource bundle.
188 const char kStaticEncodings[] = "intl.static_encodings";
189 
190 // If these change, the corresponding enums in the extension API
191 // experimental.fontSettings.json must also change.
192 const char* const kWebKitScriptsForFontFamilyMaps[] = {
193 #define EXPAND_SCRIPT_FONT(x, script_name) script_name ,
194 #include "chrome/common/pref_font_script_names-inl.h"
195 ALL_FONT_SCRIPTS("unused param")
196 #undef EXPAND_SCRIPT_FONT
197 };
198 
199 const size_t kWebKitScriptsForFontFamilyMapsLength =
200     arraysize(kWebKitScriptsForFontFamilyMaps);
201 
202 // Strings for WebKit font family preferences. If these change, the pref prefix
203 // in pref_names_util.cc and the pref format in font_settings_api.cc must also
204 // change.
205 const char kWebKitStandardFontFamilyMap[] =
206     WEBKIT_WEBPREFS_FONTS_STANDARD;
207 const char kWebKitFixedFontFamilyMap[] =
208     WEBKIT_WEBPREFS_FONTS_FIXED;
209 const char kWebKitSerifFontFamilyMap[] =
210     WEBKIT_WEBPREFS_FONTS_SERIF;
211 const char kWebKitSansSerifFontFamilyMap[] =
212     WEBKIT_WEBPREFS_FONTS_SANSERIF;
213 const char kWebKitCursiveFontFamilyMap[] =
214     WEBKIT_WEBPREFS_FONTS_CURSIVE;
215 const char kWebKitFantasyFontFamilyMap[] =
216     WEBKIT_WEBPREFS_FONTS_FANTASY;
217 const char kWebKitPictographFontFamilyMap[] =
218     WEBKIT_WEBPREFS_FONTS_PICTOGRAPH;
219 const char kWebKitStandardFontFamilyArabic[] =
220     "webkit.webprefs.fonts.standard.Arab";
221 const char kWebKitFixedFontFamilyArabic[] =
222     "webkit.webprefs.fonts.fixed.Arab";
223 const char kWebKitSerifFontFamilyArabic[] =
224     "webkit.webprefs.fonts.serif.Arab";
225 const char kWebKitSansSerifFontFamilyArabic[] =
226     "webkit.webprefs.fonts.sansserif.Arab";
227 const char kWebKitStandardFontFamilyCyrillic[] =
228     "webkit.webprefs.fonts.standard.Cyrl";
229 const char kWebKitFixedFontFamilyCyrillic[] =
230     "webkit.webprefs.fonts.fixed.Cyrl";
231 const char kWebKitSerifFontFamilyCyrillic[] =
232     "webkit.webprefs.fonts.serif.Cyrl";
233 const char kWebKitSansSerifFontFamilyCyrillic[] =
234     "webkit.webprefs.fonts.sansserif.Cyrl";
235 const char kWebKitStandardFontFamilyGreek[] =
236     "webkit.webprefs.fonts.standard.Grek";
237 const char kWebKitFixedFontFamilyGreek[] =
238     "webkit.webprefs.fonts.fixed.Grek";
239 const char kWebKitSerifFontFamilyGreek[] =
240     "webkit.webprefs.fonts.serif.Grek";
241 const char kWebKitSansSerifFontFamilyGreek[] =
242     "webkit.webprefs.fonts.sansserif.Grek";
243 const char kWebKitStandardFontFamilyJapanese[] =
244     "webkit.webprefs.fonts.standard.Jpan";
245 const char kWebKitFixedFontFamilyJapanese[] =
246     "webkit.webprefs.fonts.fixed.Jpan";
247 const char kWebKitSerifFontFamilyJapanese[] =
248     "webkit.webprefs.fonts.serif.Jpan";
249 const char kWebKitSansSerifFontFamilyJapanese[] =
250     "webkit.webprefs.fonts.sansserif.Jpan";
251 const char kWebKitStandardFontFamilyKorean[] =
252     "webkit.webprefs.fonts.standard.Hang";
253 const char kWebKitFixedFontFamilyKorean[] =
254     "webkit.webprefs.fonts.fixed.Hang";
255 const char kWebKitSerifFontFamilyKorean[] =
256     "webkit.webprefs.fonts.serif.Hang";
257 const char kWebKitSansSerifFontFamilyKorean[] =
258     "webkit.webprefs.fonts.sansserif.Hang";
259 const char kWebKitCursiveFontFamilyKorean[] =
260     "webkit.webprefs.fonts.cursive.Hang";
261 const char kWebKitStandardFontFamilySimplifiedHan[] =
262     "webkit.webprefs.fonts.standard.Hans";
263 const char kWebKitFixedFontFamilySimplifiedHan[] =
264     "webkit.webprefs.fonts.fixed.Hans";
265 const char kWebKitSerifFontFamilySimplifiedHan[] =
266     "webkit.webprefs.fonts.serif.Hans";
267 const char kWebKitSansSerifFontFamilySimplifiedHan[] =
268     "webkit.webprefs.fonts.sansserif.Hans";
269 const char kWebKitStandardFontFamilyTraditionalHan[] =
270     "webkit.webprefs.fonts.standard.Hant";
271 const char kWebKitFixedFontFamilyTraditionalHan[] =
272     "webkit.webprefs.fonts.fixed.Hant";
273 const char kWebKitSerifFontFamilyTraditionalHan[] =
274     "webkit.webprefs.fonts.serif.Hant";
275 const char kWebKitSansSerifFontFamilyTraditionalHan[] =
276     "webkit.webprefs.fonts.sansserif.Hant";
277 
278 // WebKit preferences.
279 const char kWebKitWebSecurityEnabled[] = "webkit.webprefs.web_security_enabled";
280 const char kWebKitDomPasteEnabled[] = "webkit.webprefs.dom_paste_enabled";
281 const char kWebKitShrinksStandaloneImagesToFit[] =
282     "webkit.webprefs.shrinks_standalone_images_to_fit";
283 const char kWebKitUsesUniversalDetector[] =
284     "webkit.webprefs.uses_universal_detector";
285 const char kWebKitTextAreasAreResizable[] =
286     "webkit.webprefs.text_areas_are_resizable";
287 const char kWebKitJavaEnabled[] = "webkit.webprefs.java_enabled";
288 const char kWebkitTabsToLinks[] = "webkit.webprefs.tabs_to_links";
289 const char kWebKitAllowDisplayingInsecureContent[] =
290     "webkit.webprefs.allow_displaying_insecure_content";
291 const char kWebKitAllowRunningInsecureContent[] =
292     "webkit.webprefs.allow_running_insecure_content";
293 #if defined(OS_ANDROID)
294 const char kWebKitFontScaleFactor[] = "webkit.webprefs.font_scale_factor";
295 const char kWebKitForceEnableZoom[] = "webkit.webprefs.force_enable_zoom";
296 const char kWebKitPasswordEchoEnabled[] =
297     "webkit.webprefs.password_echo_enabled";
298 #endif
299 
300 const char kWebKitCommonScript[] = "Zyyy";
301 const char kWebKitStandardFontFamily[] = "webkit.webprefs.fonts.standard.Zyyy";
302 const char kWebKitFixedFontFamily[] = "webkit.webprefs.fonts.fixed.Zyyy";
303 const char kWebKitSerifFontFamily[] = "webkit.webprefs.fonts.serif.Zyyy";
304 const char kWebKitSansSerifFontFamily[] =
305     "webkit.webprefs.fonts.sansserif.Zyyy";
306 const char kWebKitCursiveFontFamily[] = "webkit.webprefs.fonts.cursive.Zyyy";
307 const char kWebKitFantasyFontFamily[] = "webkit.webprefs.fonts.fantasy.Zyyy";
308 const char kWebKitPictographFontFamily[] =
309     "webkit.webprefs.fonts.pictograph.Zyyy";
310 const char kWebKitDefaultFontSize[] = "webkit.webprefs.default_font_size";
311 const char kWebKitDefaultFixedFontSize[] =
312     "webkit.webprefs.default_fixed_font_size";
313 const char kWebKitMinimumFontSize[] = "webkit.webprefs.minimum_font_size";
314 const char kWebKitMinimumLogicalFontSize[] =
315     "webkit.webprefs.minimum_logical_font_size";
316 const char kWebKitJavascriptEnabled[] = "webkit.webprefs.javascript_enabled";
317 const char kWebKitJavascriptCanOpenWindowsAutomatically[] =
318     "webkit.webprefs.javascript_can_open_windows_automatically";
319 const char kWebKitLoadsImagesAutomatically[] =
320     "webkit.webprefs.loads_images_automatically";
321 const char kWebKitPluginsEnabled[] = "webkit.webprefs.plugins_enabled";
322 
323 // Boolean that is true when SafeBrowsing is enabled.
324 const char kSafeBrowsingEnabled[] = "safebrowsing.enabled";
325 
326 // Boolean that tell us whether Safe Browsing extended reporting is enabled.
327 const char kSafeBrowsingExtendedReportingEnabled[] =
328     "safebrowsing.extended_reporting_enabled";
329 
330 // Boolean that is true when the SafeBrowsing interstitial should not allow
331 // users to proceed anyway.
332 const char kSafeBrowsingProceedAnywayDisabled[] =
333     "safebrowsing.proceed_anyway_disabled";
334 
335 // Boolean that is true when SafeBrowsing has sent an incident report.
336 const char kSafeBrowsingIncidentReportSent[] =
337     "safebrowsing.incident_report_sent";
338 
339 // A dictionary mapping incident types to a dict of incident key:digest pairs.
340 const char kSafeBrowsingIncidentsSent[] = "safebrowsing.incidents_sent";
341 
342 // Enum that specifies whether Incognito mode is:
343 // 0 - Enabled. Default behaviour. Default mode is available on demand.
344 // 1 - Disabled. Used cannot browse pages in Incognito mode.
345 // 2 - Forced. All pages/sessions are forced into Incognito.
346 const char kIncognitoModeAvailability[] = "incognito.mode_availability";
347 
348 // Boolean that is true when Suggest support is enabled.
349 const char kSearchSuggestEnabled[] = "search.suggest_enabled";
350 
351 #if defined(OS_ANDROID)
352 // String indicating the Contextual Search enabled state.
353 // "false" - opt-out (disabled)
354 // "" (empty string) - undecided
355 // "true" - opt-in (enabled)
356 const char kContextualSearchEnabled[] = "search.contextual_search_enabled";
357 #endif
358 
359 // Boolean that indicates whether the browser should put up a confirmation
360 // window when the user is attempting to quit. Mac only.
361 const char kConfirmToQuitEnabled[] = "browser.confirm_to_quit";
362 
363 // OBSOLETE.  Enum that specifies whether to enforce a third-party cookie
364 // blocking policy.  This has been superseded by kDefaultContentSettings +
365 // kBlockThirdPartyCookies.
366 // 0 - allow all cookies.
367 // 1 - block third-party cookies
368 // 2 - block all cookies
369 const char kCookieBehavior[] = "security.cookie_behavior";
370 
371 // Boolean which specifies whether we should ask the user if we should download
372 // a file (true) or just download it automatically.
373 const char kPromptForDownload[] = "download.prompt_for_download";
374 
375 // A boolean pref set to true if we're using Link Doctor error pages.
376 const char kAlternateErrorPagesEnabled[] = "alternate_error_pages.enabled";
377 
378 // OBSOLETE: new pref now stored with user prefs instead of profile, as
379 // kDnsPrefetchingStartupList.
380 const char kDnsStartupPrefetchList[] = "StartupDNSPrefetchList";
381 
382 // An adaptively identified list of domain names to be pre-fetched during the
383 // next startup, based on what was actually needed during this startup.
384 const char kDnsPrefetchingStartupList[] = "dns_prefetching.startup_list";
385 
386 // OBSOLETE: new pref now stored with user prefs instead of profile, as
387 // kDnsPrefetchingHostReferralList.
388 const char kDnsHostReferralList[] = "HostReferralList";
389 
390 // A list of host names used to fetch web pages, and their commonly used
391 // sub-resource hostnames (and expected latency benefits from pre-resolving, or
392 // preconnecting to, such sub-resource hostnames).
393 // This list is adaptively grown and pruned.
394 const char kDnsPrefetchingHostReferralList[] =
395     "dns_prefetching.host_referral_list";
396 
397 // Disables the SPDY protocol.
398 const char kDisableSpdy[] = "spdy.disabled";
399 
400 // Prefs for persisting HttpServerProperties.
401 const char kHttpServerProperties[] = "net.http_server_properties";
402 
403 // Prefs for server names that support SPDY protocol.
404 const char kSpdyServers[] = "spdy.servers";
405 
406 // Prefs for servers that support Alternate-Protocol.
407 const char kAlternateProtocolServers[] = "spdy.alternate_protocol";
408 
409 // Disables the listed protocol schemes.
410 const char kDisabledSchemes[] = "protocol.disabled_schemes";
411 
412 #if defined(OS_ANDROID) || defined(OS_IOS)
413 // Last time that a check for cloud policy management was done. This time is
414 // recorded on Android so that retries aren't attempted on every startup.
415 // Instead the cloud policy registration is retried at least 1 or 3 days later.
416 const char kLastPolicyCheckTime[] = "policy.last_policy_check_time";
417 #endif
418 
419 // Prefix URL for the experimental Instant ZeroSuggest provider.
420 const char kInstantUIZeroSuggestUrlPrefix[] =
421     "instant_ui.zero_suggest_url_prefix";
422 
423 // Used to migrate preferences from local state to user preferences to
424 // enable multiple profiles.
425 // BITMASK with possible values (see browser_prefs.cc for enum):
426 // 0: No preferences migrated.
427 // 1: DNS preferences migrated: kDnsPrefetchingStartupList and HostReferralList
428 // 2: Browser window preferences migrated: kDevToolsSplitLocation and
429 //    kBrowserWindowPlacement
430 const char kMultipleProfilePrefMigration[] =
431     "local_state.multiple_profile_prefs_version";
432 
433 // A boolean pref set to true if prediction of network actions is allowed.
434 // Actions include DNS prefetching, TCP and SSL preconnection, prerendering
435 // of web pages, and resource prefetching.
436 // NOTE: The "dns_prefetching.enabled" value is used so that historical user
437 // preferences are not lost.
438 // TODO(bnc): Remove kNetworkPredictionEnabled once kNetworkPredictionOptions
439 // is functioning as per crbug.com/334602.
440 const char kNetworkPredictionEnabled[] = "dns_prefetching.enabled";
441 
442 // A preference of enum chrome_browser_net::NetworkPredictionOptions shows
443 // if prediction of network actions is allowed, depending on network type.
444 // Actions include DNS prefetching, TCP and SSL preconnection, prerendering
445 // of web pages, and resource prefetching.
446 // TODO(bnc): Implement this preference as per crbug.com/334602.
447 const char kNetworkPredictionOptions[] = "net.network_prediction_options";
448 
449 // An integer representing the state of the default apps installation process.
450 // This value is persisted in the profile's user preferences because the process
451 // is async, and the user may have stopped chrome in the middle.  The next time
452 // the profile is opened, the process will continue from where it left off.
453 //
454 // See possible values in external_provider_impl.cc.
455 const char kDefaultAppsInstallState[] = "default_apps_install_state";
456 
457 // A boolean pref set to true if the Chrome Web Store icons should be hidden
458 // from the New Tab Page and app launcher.
459 const char kHideWebStoreIcon[] = "hide_web_store_icon";
460 
461 #if defined(OS_CHROMEOS)
462 // A dictionary pref to hold the mute setting for all the currently known
463 // audio devices.
464 const char kAudioDevicesMute[] = "settings.audio.devices.mute";
465 
466 // A dictionary pref storing the volume settings for all the currently known
467 // audio devices.
468 const char kAudioDevicesVolumePercent[] =
469     "settings.audio.devices.volume_percent";
470 
471 // An integer pref to initially mute volume if 1. This pref is ignored if
472 // |kAudioOutputAllowed| is set to false, but its value is preserved, therefore
473 // when the policy is lifted the original mute state is restored.  This setting
474 // is here only for migration purposes now. It is being replaced by the
475 // |kAudioDevicesMute| setting.
476 const char kAudioMute[] = "settings.audio.mute";
477 
478 // A double pref storing the user-requested volume. This setting is here only
479 // for migration purposes now. It is being replaced by the
480 // |kAudioDevicesVolumePercent| setting.
481 const char kAudioVolumePercent[] = "settings.audio.volume_percent";
482 
483 // An integer pref to record user's spring charger check result.
484 // 0 - unknown charger, not checked yet.
485 // 1 - confirmed safe charger.
486 // 2 - confirmed original charger and declined to order new charger.
487 // 3 - confirmed original charger and ordered new charger online.
488 // 4 - confirmed original charger and ordered new charger by phone.
489 // 5 - confirmed original charger, ordered a new one online, but continue to use
490 //     the old one.
491 // 6 - confirmed original charger, ordered a new one by phone, but continue to
492 //     use the old one.
493 const char kSpringChargerCheck[] = "settings.spring_charger.check_result";
494 
495 // A boolean pref set to true if touchpad tap-to-click is enabled.
496 const char kTapToClickEnabled[] = "settings.touchpad.enable_tap_to_click";
497 
498 // A boolean pref set to true if touchpad tap-dragging is enabled.
499 const char kTapDraggingEnabled[] = "settings.touchpad.enable_tap_dragging";
500 
501 // A boolean pref set to true if touchpad three-finger-click is enabled.
502 const char kEnableTouchpadThreeFingerClick[] =
503     "settings.touchpad.enable_three_finger_click";
504 
505 // A boolean pref set to true if touchpad natural scrolling is enabled.
506 const char kNaturalScroll[] = "settings.touchpad.natural_scroll";
507 
508 // A boolean pref set to true if primary mouse button is the left button.
509 const char kPrimaryMouseButtonRight[] = "settings.mouse.primary_right";
510 
511 // A integer pref for the touchpad sensitivity.
512 const char kMouseSensitivity[] = "settings.mouse.sensitivity2";
513 
514 // A integer pref for the touchpad sensitivity.
515 const char kTouchpadSensitivity[] = "settings.touchpad.sensitivity2";
516 
517 // A boolean pref set to true if time should be displayed in 24-hour clock.
518 const char kUse24HourClock[] = "settings.clock.use_24hour_clock";
519 
520 // A boolean pref to disable Google Drive integration.
521 // The pref prefix should remain as "gdata" for backward compatibility.
522 const char kDisableDrive[] = "gdata.disabled";
523 
524 // A boolean pref to disable Drive over cellular connections.
525 // The pref prefix should remain as "gdata" for backward compatibility.
526 const char kDisableDriveOverCellular[] = "gdata.cellular.disabled";
527 
528 // A boolean pref to disable hosted files on Drive.
529 // The pref prefix should remain as "gdata" for backward compatibility.
530 const char kDisableDriveHostedFiles[] = "gdata.hosted_files.disabled";
531 
532 // A string pref set to the current input method.
533 const char kLanguageCurrentInputMethod[] =
534     "settings.language.current_input_method";
535 
536 // A string pref set to the previous input method.
537 const char kLanguagePreviousInputMethod[] =
538     "settings.language.previous_input_method";
539 
540 // A string pref (comma-separated list) set to the "next engine in menu"
541 // hot-key lists.
542 const char kLanguageHotkeyNextEngineInMenu[] =
543     "settings.language.hotkey_next_engine_in_menu";
544 
545 // A string pref (comma-separated list) set to the "previous engine"
546 // hot-key lists.
547 const char kLanguageHotkeyPreviousEngine[] =
548     "settings.language.hotkey_previous_engine";
549 
550 // A string pref (comma-separated list) set to the preferred language IDs
551 // (ex. "en-US,fr,ko").
552 const char kLanguagePreferredLanguages[] =
553     "settings.language.preferred_languages";
554 
555 // A string pref (comma-separated list) set to the preloaded (active) input
556 // method IDs (ex. "pinyin,mozc").
557 const char kLanguagePreloadEngines[] = "settings.language.preload_engines";
558 
559 // A List pref (comma-separated list) set to the extension IMEs to be enabled.
560 const char kLanguageEnabledExtensionImes[] =
561     "settings.language.enabled_extension_imes";
562 
563 // Integer prefs which determine how we remap modifier keys (e.g. swap Alt and
564 // Control.) Possible values for these prefs are 0-4. See ModifierKey enum in
565 // src/chrome/browser/chromeos/input_method/xkeyboard.h
566 const char kLanguageRemapSearchKeyTo[] =
567     // Note: we no longer use XKB for remapping these keys, but we can't change
568     // the pref names since the names are already synced with the cloud.
569     "settings.language.xkb_remap_search_key_to";
570 const char kLanguageRemapControlKeyTo[] =
571     "settings.language.xkb_remap_control_key_to";
572 const char kLanguageRemapAltKeyTo[] =
573     "settings.language.xkb_remap_alt_key_to";
574 const char kLanguageRemapCapsLockKeyTo[] =
575     "settings.language.remap_caps_lock_key_to";
576 const char kLanguageRemapDiamondKeyTo[] =
577     "settings.language.remap_diamond_key_to";
578 
579 // A boolean pref that causes top-row keys to be interpreted as function keys
580 // instead of as media keys.
581 const char kLanguageSendFunctionKeys[] =
582     "settings.language.send_function_keys";
583 
584 // A boolean pref which determines whether key repeat is enabled.
585 const char kLanguageXkbAutoRepeatEnabled[] =
586     "settings.language.xkb_auto_repeat_enabled_r2";
587 // A integer pref which determines key repeat delay (in ms).
588 const char kLanguageXkbAutoRepeatDelay[] =
589     "settings.language.xkb_auto_repeat_delay_r2";
590 // A integer pref which determines key repeat interval (in ms).
591 const char kLanguageXkbAutoRepeatInterval[] =
592     "settings.language.xkb_auto_repeat_interval_r2";
593 // "_r2" suffixes were added to the three prefs above when we changed the
594 // preferences to not be user-configurable or sync with the cloud. The prefs are
595 // now user-configurable and syncable again, but we don't want to overwrite the
596 // current values with the old synced values, so we continue to use this suffix.
597 
598 // A boolean pref which determines whether the large cursor feature is enabled.
599 const char kAccessibilityLargeCursorEnabled[] =
600     "settings.a11y.large_cursor_enabled";
601 
602 // A boolean pref which determines whether the sticky keys feature is enabled.
603 const char kAccessibilityStickyKeysEnabled[] =
604     "settings.a11y.sticky_keys_enabled";
605 // A boolean pref which determines whether spoken feedback is enabled.
606 const char kAccessibilitySpokenFeedbackEnabled[] = "settings.accessibility";
607 // A boolean pref which determines whether high conrast is enabled.
608 const char kAccessibilityHighContrastEnabled[] =
609     "settings.a11y.high_contrast_enabled";
610 // A boolean pref which determines whether screen magnifier is enabled.
611 const char kAccessibilityScreenMagnifierEnabled[] =
612     "settings.a11y.screen_magnifier";
613 // A integer pref which determines what type of screen magnifier is enabled.
614 // Note that: 'screen_magnifier_type' had been used as string pref. Hence,
615 // we are using another name pref here.
616 const char kAccessibilityScreenMagnifierType[] =
617     "settings.a11y.screen_magnifier_type2";
618 // A double pref which determines a zooming scale of the screen magnifier.
619 const char kAccessibilityScreenMagnifierScale[] =
620     "settings.a11y.screen_magnifier_scale";
621 // A boolean pref which determines whether the virtual keyboard is enabled for
622 // accessibility.  This feature is separate from displaying an onscreen keyboard
623 // due to lack of a physical keyboard.
624 const char kAccessibilityVirtualKeyboardEnabled[] =
625     "settings.a11y.virtual_keyboard";
626 // A boolean pref which determines whether autoclick is enabled.
627 const char kAccessibilityAutoclickEnabled[] = "settings.a11y.autoclick";
628 // An integer pref which determines time in ms between when the mouse cursor
629 // stops and when an autoclick is triggered.
630 const char kAccessibilityAutoclickDelayMs[] =
631     "settings.a11y.autoclick_delay_ms";
632 // A boolean pref which determines whether the accessibility menu shows
633 // regardless of the state of a11y features.
634 const char kShouldAlwaysShowAccessibilityMenu[] = "settings.a11y.enable_menu";
635 
636 // A boolean pref which turns on Advanced Filesystem
637 // (USB support, SD card, etc).
638 const char kLabsAdvancedFilesystemEnabled[] =
639     "settings.labs.advanced_filesystem";
640 
641 // A boolean pref which turns on the mediaplayer.
642 const char kLabsMediaplayerEnabled[] = "settings.labs.mediaplayer";
643 
644 // A boolean pref that turns on automatic screen locking.
645 const char kEnableAutoScreenLock[] = "settings.enable_screen_lock";
646 
647 // A boolean pref of whether to show mobile plan notifications.
648 const char kShowPlanNotifications[] =
649     "settings.internet.mobile.show_plan_notifications";
650 
651 // A boolean pref of whether to show 3G promo notification.
652 const char kShow3gPromoNotification[] =
653     "settings.internet.mobile.show_3g_promo_notification";
654 
655 // A string pref that contains version where "What's new" promo was shown.
656 const char kChromeOSReleaseNotesVersion[] = "settings.release_notes.version";
657 
658 // A boolean pref that controls whether proxy settings from shared network
659 // settings (accordingly from device policy) are applied or ignored.
660 const char kUseSharedProxies[] = "settings.use_shared_proxies";
661 
662 // Power state of the current displays from the last run.
663 const char kDisplayPowerState[] = "settings.display.power_state";
664 // A dictionary pref that stores per display preferences.
665 const char kDisplayProperties[] = "settings.display.properties";
666 
667 // A dictionary pref that specifies per-display layout/offset information.
668 // Its key is the ID of the display and its value is a dictionary for the
669 // layout/offset information.
670 const char kSecondaryDisplays[] = "settings.display.secondary_displays";
671 
672 // A dictionary pref that specifies the state of the rotation lock, and the
673 // display orientation, for the internal display.
674 const char kDisplayRotationLock[] = "settings.display.rotation_lock";
675 
676 // A boolean pref indicating whether user activity has been observed in the
677 // current session already. The pref is used to restore information about user
678 // activity after browser crashes.
679 const char kSessionUserActivitySeen[] = "session.user_activity_seen";
680 
681 // A preference to keep track of the session start time. If the session length
682 // limit is configured to start running after initial user activity has been
683 // observed, the pref is set after the first user activity in a session.
684 // Otherwise, it is set immediately after session start. The pref is used to
685 // restore the session start time after browser crashes. The time is expressed
686 // as the serialization obtained from base::TimeTicks::ToInternalValue().
687 const char kSessionStartTime[] = "session.start_time";
688 
689 // Holds the maximum session time in milliseconds. If this pref is set, the
690 // user is logged out when the maximum session time is reached. The user is
691 // informed about the remaining time by a countdown timer shown in the ash
692 // system tray.
693 const char kSessionLengthLimit[] = "session.length_limit";
694 
695 // Whether the session length limit should start running only after the first
696 // user activity has been observed in a session.
697 const char kSessionWaitForInitialUserActivity[] =
698     "session.wait_for_initial_user_activity";
699 
700 // Inactivity time in milliseconds while the system is on AC power before
701 // the screen should be dimmed, turned off, or locked, before an
702 // IdleActionImminent D-Bus signal should be sent, or before
703 // kPowerAcIdleAction should be performed.  0 disables the delay (N/A for
704 // kPowerAcIdleDelayMs).
705 const char kPowerAcScreenDimDelayMs[] = "power.ac_screen_dim_delay_ms";
706 const char kPowerAcScreenOffDelayMs[] = "power.ac_screen_off_delay_ms";
707 const char kPowerAcScreenLockDelayMs[] = "power.ac_screen_lock_delay_ms";
708 const char kPowerAcIdleWarningDelayMs[] = "power.ac_idle_warning_delay_ms";
709 const char kPowerAcIdleDelayMs[] = "power.ac_idle_delay_ms";
710 
711 // Similar delays while the system is on battery power.
712 const char kPowerBatteryScreenDimDelayMs[] =
713     "power.battery_screen_dim_delay_ms";
714 const char kPowerBatteryScreenOffDelayMs[] =
715     "power.battery_screen_off_delay_ms";
716 const char kPowerBatteryScreenLockDelayMs[] =
717     "power.battery_screen_lock_delay_ms";
718 const char kPowerBatteryIdleWarningDelayMs[] =
719     "power.battery_idle_warning_delay_ms";
720 const char kPowerBatteryIdleDelayMs[] =
721     "power.battery_idle_delay_ms";
722 
723 // Action that should be performed when the idle delay is reached while the
724 // system is on AC power or battery power.
725 // Values are from the chromeos::PowerPolicyController::Action enum.
726 const char kPowerAcIdleAction[] = "power.ac_idle_action";
727 const char kPowerBatteryIdleAction[] = "power.battery_idle_action";
728 
729 // Action that should be performed when the lid is closed.
730 // Values are from the chromeos::PowerPolicyController::Action enum.
731 const char kPowerLidClosedAction[] = "power.lid_closed_action";
732 
733 // Should audio and video activity be used to disable the above delays?
734 const char kPowerUseAudioActivity[] = "power.use_audio_activity";
735 const char kPowerUseVideoActivity[] = "power.use_video_activity";
736 
737 // Should extensions be able to use the chrome.power API to override
738 // screen-related power management (including locking)?
739 const char kPowerAllowScreenWakeLocks[] = "power.allow_screen_wake_locks";
740 
741 // Amount by which the screen-dim delay should be scaled while the system
742 // is in presentation mode. Values are limited to a minimum of 1.0.
743 const char kPowerPresentationScreenDimDelayFactor[] =
744     "power.presentation_screen_dim_delay_factor";
745 
746 // Amount by which the screen-dim delay should be scaled when user activity is
747 // observed while the screen is dimmed or soon after the screen has been turned
748 // off.  Values are limited to a minimum of 1.0.
749 const char kPowerUserActivityScreenDimDelayFactor[] =
750     "power.user_activity_screen_dim_delay_factor";
751 
752 // Whether the power management delays should start running only after the first
753 // user activity has been observed in a session.
754 const char kPowerWaitForInitialUserActivity[] =
755     "power.wait_for_initial_user_activity";
756 
757 // The URL from which the Terms of Service can be downloaded. The value is only
758 // honored for public accounts.
759 const char kTermsOfServiceURL[] = "terms_of_service.url";
760 
761 // Indicates that the Profile has made navigations that used a certificate
762 // installed by the system administrator. If that is true then the local cache
763 // of remote data is tainted (e.g. shared scripts), and future navigations
764 // show a warning indicating that the organization may track the browsing
765 // session.
766 const char kUsedPolicyCertificatesOnce[] = "used_policy_certificates_once";
767 
768 // Indicates whether the remote attestation is enabled for the user.
769 const char kAttestationEnabled[] = "attestation.enabled";
770 // The list of extensions allowed to use the platformKeysPrivate API for
771 // remote attestation.
772 const char kAttestationExtensionWhitelist[] = "attestation.extension_whitelist";
773 
774 // A boolean pref indicating whether the projection touch HUD is enabled or not.
775 const char kTouchHudProjectionEnabled[] = "touch_hud.projection_enabled";
776 
777 // A pref to configure networks. Its value must be a list of
778 // NetworkConfigurations according to the OpenNetworkConfiguration
779 // specification.
780 // Currently, this pref is only used to store the policy. The user's
781 // configuration is still stored in Shill.
782 const char kOpenNetworkConfiguration[] = "onc";
783 
784 // A boolean pref that tracks whether the user has already given consent for
785 // enabling remote attestation for content protection.
786 const char kRAConsentFirstTime[] = "settings.privacy.ra_consent";
787 
788 // A boolean pref recording whether user has dismissed the multiprofile
789 // itroduction dialog show.
790 const char kMultiProfileNeverShowIntro[] =
791     "settings.multi_profile_never_show_intro";
792 
793 // A boolean pref recording whether user has dismissed the multiprofile
794 // teleport warning dialog show.
795 const char kMultiProfileWarningShowDismissed[] =
796     "settings.multi_profile_warning_show_dismissed";
797 
798 // A string pref that holds string enum values of how the user should behave
799 // in a multiprofile session. See ChromeOsMultiProfileUserBehavior policy
800 // for more details of the valid values.
801 const char kMultiProfileUserBehavior[] = "settings.multiprofile_user_behavior";
802 
803 // A boolean preference indicating whether user has seen first-run tutorial
804 // already.
805 const char kFirstRunTutorialShown[] = "settings.first_run_tutorial_shown";
806 
807 // Indicates the amount of time for which a user authenticated via SAML can use
808 // offline authentication against a cached password before being forced to go
809 // through online authentication against GAIA again. The time is expressed in
810 // seconds. A value of -1 indicates no limit, allowing the user to use offline
811 // authentication indefinitely. The limit is in effect only if GAIA redirected
812 // the user to a SAML IdP during the last online authentication.
813 const char kSAMLOfflineSigninTimeLimit[] = "saml.offline_signin_time_limit";
814 
815 // A preference to keep track of the last time the user authenticated against
816 // GAIA using SAML. The preference is updated whenever the user authenticates
817 // against GAIA: If GAIA redirects to a SAML IdP, the preference is set to the
818 // current time. If GAIA performs the authentication itself, the preference is
819 // cleared. The time is expressed as the serialization obtained from
820 // base::Time::ToInternalValue().
821 const char kSAMLLastGAIASignInTime[] = "saml.last_gaia_sign_in_time";
822 
823 // The total number of seconds that the machine has spent sitting on the
824 // OOBE screen.
825 const char kTimeOnOobe[] = "settings.time_on_oobe";
826 
827 // The app/extension name who sets the current wallpaper. If current wallpaper
828 // is set by the component wallpaper picker, it is set to an empty string.
829 const char kCurrentWallpaperAppName[] = "wallpaper.app.name";
830 
831 // List of mounted file systems via the File System Provider API. Used to
832 // restore them after a reboot.
833 const char kFileSystemProviderMounted[] = "file_system_provider.mounted";
834 
835 // A boolean pref set to true if the virtual keyboard should be enabled.
836 const char kTouchVirtualKeyboardEnabled[] = "ui.touch_virtual_keyboard_enabled";
837 
838 #endif  // defined(OS_CHROMEOS)
839 
840 // The disabled messages in IPC logging.
841 const char kIpcDisabledMessages[] = "ipc_log_disabled_messages";
842 
843 // A boolean pref set to true if a Home button to open the Home pages should be
844 // visible on the toolbar.
845 const char kShowHomeButton[] = "browser.show_home_button";
846 
847 // A string value which saves short list of recently user selected encodings
848 // separated with comma punctuation mark.
849 const char kRecentlySelectedEncoding[] = "profile.recently_selected_encodings";
850 
851 // Clear Browsing Data dialog preferences.
852 const char kDeleteBrowsingHistory[] = "browser.clear_data.browsing_history";
853 const char kDeleteDownloadHistory[] = "browser.clear_data.download_history";
854 const char kDeleteCache[] = "browser.clear_data.cache";
855 const char kDeleteCookies[] = "browser.clear_data.cookies";
856 const char kDeletePasswords[] = "browser.clear_data.passwords";
857 const char kDeleteFormData[] = "browser.clear_data.form_data";
858 const char kDeleteHostedAppsData[] = "browser.clear_data.hosted_apps_data";
859 const char kDeauthorizeContentLicenses[] =
860     "browser.clear_data.content_licenses";
861 const char kDeleteTimePeriod[] = "browser.clear_data.time_period";
862 const char kLastClearBrowsingDataTime[] =
863     "browser.last_clear_browsing_data_time";
864 
865 // Boolean pref to define the default values for using spellchecker.
866 const char kEnableContinuousSpellcheck[] = "browser.enable_spellchecking";
867 
868 // List of names of the enabled labs experiments (see chrome/browser/labs.cc).
869 const char kEnabledLabsExperiments[] = "browser.enabled_labs_experiments";
870 
871 // Boolean pref to define the default values for using auto spell correct.
872 const char kEnableAutoSpellCorrect[] = "browser.enable_autospellcorrect";
873 
874 // Boolean pref to define the default setting for "block offensive words".
875 // The old key value is kept to avoid unnecessary migration code.
876 const char kSpeechRecognitionFilterProfanities[] =
877     "browser.speechinput_censor_results";
878 
879 // List of speech recognition context names (extensions or websites) for which
880 // the tray notification balloon has already been shown.
881 const char kSpeechRecognitionTrayNotificationShownContexts[] =
882     "browser.speechinput_tray_notification_shown_contexts";
883 
884 // Boolean controlling whether history saving is disabled.
885 const char kSavingBrowserHistoryDisabled[] = "history.saving_disabled";
886 
887 // Boolean controlling whether deleting browsing and download history is
888 // permitted.
889 const char kAllowDeletingBrowserHistory[] = "history.deleting_enabled";
890 
891 // Boolean controlling whether SafeSearch is mandatory for Google Web Searches.
892 const char kForceSafeSearch[] = "settings.force_safesearch";
893 
894 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
895 // Linux specific preference on whether we should match the system theme.
896 const char kUsesSystemTheme[] = "extensions.theme.use_system";
897 #endif
898 const char kCurrentThemePackFilename[] = "extensions.theme.pack";
899 const char kCurrentThemeID[] = "extensions.theme.id";
900 const char kCurrentThemeImages[] = "extensions.theme.images";
901 const char kCurrentThemeColors[] = "extensions.theme.colors";
902 const char kCurrentThemeTints[] = "extensions.theme.tints";
903 const char kCurrentThemeDisplayProperties[] = "extensions.theme.properties";
904 
905 // Boolean pref which persists whether the extensions_ui is in developer mode
906 // (showing developer packing tools and extensions details)
907 const char kExtensionsUIDeveloperMode[] = "extensions.ui.developer_mode";
908 
909 // Boolean pref which indicates whether the Chrome Apps & Extensions Developer
910 // Tool promotion has been dismissed by the user.
911 const char kExtensionsUIDismissedADTPromo[] =
912     "extensions.ui.dismissed_adt_promo";
913 
914 // Dictionary pref that tracks which command belongs to which
915 // extension + named command pair.
916 const char kExtensionCommands[] = "extensions.commands";
917 
918 // Pref containing the directory for internal plugins as written to the plugins
919 // list (below).
920 const char kPluginsLastInternalDirectory[] = "plugins.last_internal_directory";
921 
922 // List pref containing information (dictionaries) on plugins.
923 const char kPluginsPluginsList[] = "plugins.plugins_list";
924 
925 // List pref containing names of plugins that are disabled by policy.
926 const char kPluginsDisabledPlugins[] = "plugins.plugins_disabled";
927 
928 // List pref containing exceptions to the list of plugins disabled by policy.
929 const char kPluginsDisabledPluginsExceptions[] =
930     "plugins.plugins_disabled_exceptions";
931 
932 // List pref containing names of plugins that are enabled by policy.
933 const char kPluginsEnabledPlugins[] = "plugins.plugins_enabled";
934 
935 // When bundled NPAPI Flash is removed, if at that point it is enabled while
936 // Pepper Flash is disabled, we would like to turn on Pepper Flash. And we will
937 // want to do so only once.
938 const char kPluginsMigratedToPepperFlash[] = "plugins.migrated_to_pepper_flash";
939 
940 // In the early stage of component-updated PPAPI Flash, we did field trials in
941 // which it was set to disabled by default. The corresponding settings item may
942 // remain in some users' profiles. Currently it affects both the bundled and
943 // component-updated PPAPI Flash (since the two share the same enable/disable
944 // state). We want to remove this item to get those users to use PPAPI Flash.
945 // We will want to do so only once.
946 const char kPluginsRemovedOldComponentPepperFlashSettings[] =
947     "plugins.removed_old_component_pepper_flash_settings";
948 
949 #if !defined(OS_ANDROID)
950 // Whether about:plugins is shown in the details mode or not.
951 const char kPluginsShowDetails[] = "plugins.show_details";
952 #endif
953 
954 // Boolean that indicates whether outdated plugins are allowed or not.
955 const char kPluginsAllowOutdated[] = "plugins.allow_outdated";
956 
957 // Boolean that indicates whether plugins that require authorization should
958 // be always allowed or not.
959 const char kPluginsAlwaysAuthorize[] = "plugins.always_authorize";
960 
961 #if defined(ENABLE_PLUGIN_INSTALLATION)
962 // Dictionary holding plug-ins metadata.
963 const char kPluginsMetadata[] = "plugins.metadata";
964 
965 // Last update time of plug-ins resource cache.
966 const char kPluginsResourceCacheUpdate[] = "plugins.resource_cache_update";
967 #endif
968 
969 // Boolean that indicates whether we should check if we are the default browser
970 // on start-up.
971 const char kCheckDefaultBrowser[] = "browser.check_default_browser";
972 
973 // Policy setting whether default browser check should be disabled and default
974 // browser registration should take place.
975 const char kDefaultBrowserSettingEnabled[] =
976     "browser.default_browser_setting_enabled";
977 
978 #if defined(OS_MACOSX)
979 // Boolean that indicates whether the application should show the info bar
980 // asking the user to set up automatic updates when Keystone promotion is
981 // required.
982 const char kShowUpdatePromotionInfoBar[] =
983     "browser.show_update_promotion_info_bar";
984 #endif
985 
986 // Boolean that is false if we should show window manager decorations.  If
987 // true, we draw a custom chrome frame (thicker title bar and blue border).
988 const char kUseCustomChromeFrame[] = "browser.custom_chrome_frame";
989 
990 // Dictionary of content settings applied to all hosts by default.
991 const char kDefaultContentSettings[] = "profile.default_content_settings";
992 
993 // Dictionary of content settings that can globally disallow all hosts by
994 // default. If a value is set, it means the setting is globally disallowed.
995 // If a value is not set, it means the setting is allowed.
996 const char kOverrideContentSettings[] = "profile.override_content_settings";
997 
998 // Boolean indicating whether the clear on exit pref was migrated to content
999 // settings yet.
1000 const char kContentSettingsClearOnExitMigrated[] =
1001     "profile.content_settings.clear_on_exit_migrated";
1002 
1003 // Version of the pattern format used to define content settings.
1004 const char kContentSettingsVersion[] = "profile.content_settings.pref_version";
1005 
1006 // Patterns for mapping origins to origin related settings. Default settings
1007 // will be applied to origins that don't match any of the patterns. The pattern
1008 // format used is defined by kContentSettingsVersion.
1009 const char kContentSettingsPatternPairs[] =
1010     "profile.content_settings.pattern_pairs";
1011 
1012 #if !defined(OS_ANDROID)
1013 // Which plugins have been whitelisted manually by the user.
1014 const char kContentSettingsPluginWhitelist[] =
1015     "profile.content_settings.plugin_whitelist";
1016 #endif
1017 
1018 // Boolean that is true if we should unconditionally block third-party cookies,
1019 // regardless of other content settings.
1020 const char kBlockThirdPartyCookies[] = "profile.block_third_party_cookies";
1021 
1022 // Boolean that is true when all locally stored site data (e.g. cookies, local
1023 // storage, etc..) should be deleted on exit.
1024 const char kClearSiteDataOnExit[] = "profile.clear_site_data_on_exit";
1025 
1026 // Double that indicates the default zoom level.
1027 const char kDefaultZoomLevel[] = "profile.default_zoom_level";
1028 
1029 // Dictionary that maps hostnames to zoom levels.  Hosts not in this pref will
1030 // be displayed at the default zoom level.
1031 const char kPerHostZoomLevels[] = "profile.per_host_zoom_levels";
1032 
1033 // A dictionary that tracks the default data model to use for each section of
1034 // the dialog.
1035 const char kAutofillDialogAutofillDefault[] = "autofill.data_model_default";
1036 
1037 // Whether a user opted out of making purchases with Google Wallet; changed via
1038 // the autofill dialog's account chooser and set explicitly on dialog submission
1039 // (but not cancel). If this isn't set, the dialog assumes it's the first run.
1040 const char kAutofillDialogPayWithoutWallet[] = "autofill.pay_without_wallet";
1041 
1042 // Which GAIA users have accepted that use of Google Wallet implies their
1043 // location will be shared with fraud protection services.
1044 const char kAutofillDialogWalletLocationAcceptance[] =
1045     "autofill.wallet_location_disclosure";
1046 
1047 // Whether a user wants to save data locally in Autofill.
1048 const char kAutofillDialogSaveData[] = "autofill.save_data";
1049 
1050 // Whether the user has selected "Same as billing" for the shipping address when
1051 // using Google Wallet.
1052 const char kAutofillDialogWalletShippingSameAsBilling[] =
1053     "autofill.wallet_shipping_same_as_billing";
1054 
1055 // The number of times the generated credit card bubble has been shown.
1056 const char kAutofillGeneratedCardBubbleTimesShown[] =
1057     "autofill.generated_card_bubble_times_shown";
1058 
1059 // A dictionary that tracks the defaults to be set on the next invocation
1060 // of the requestAutocomplete dialog.
1061 const char kAutofillDialogDefaults[] = "autofill.rac_dialog_defaults";
1062 
1063 #if !defined(OS_ANDROID)
1064 const char kPinnedTabs[] = "pinned_tabs";
1065 #endif
1066 
1067 #if defined(OS_ANDROID)
1068 // Boolean that controls the enabled-state of Geolocation in content.
1069 const char kGeolocationEnabled[] = "geolocation.enabled";
1070 #endif
1071 
1072 #if defined(ENABLE_GOOGLE_NOW)
1073 // Boolean that is true when Google services can use the user's location.
1074 const char kGoogleGeolocationAccessEnabled[] =
1075     "googlegeolocationaccess.enabled";
1076 #endif
1077 
1078 // The default audio capture device used by the Media content setting.
1079 const char kDefaultAudioCaptureDevice[] = "media.default_audio_capture_device";
1080 
1081 // The default video capture device used by the Media content setting.
1082 const char kDefaultVideoCaptureDevice[] = "media.default_video_capture_Device";
1083 
1084 // The salt used for creating random MediaSource IDs.
1085 const char kMediaDeviceIdSalt[] = "media.device_id_salt";
1086 
1087 // Preference to disable 3D APIs (WebGL, Pepper 3D).
1088 const char kDisable3DAPIs[] = "disable_3d_apis";
1089 
1090 const char kEnableDeprecatedWebPlatformFeatures[] =
1091     "enable_deprecated_web_platform_features";
1092 
1093 // Whether to enable hyperlink auditing ("<a ping>").
1094 const char kEnableHyperlinkAuditing[] = "enable_a_ping";
1095 
1096 // Whether to enable sending referrers.
1097 const char kEnableReferrers[] = "enable_referrers";
1098 
1099 // Whether to send the DNT header.
1100 const char kEnableDoNotTrack[] = "enable_do_not_track";
1101 
1102 // GL_VENDOR string.
1103 const char kGLVendorString[] = "gl_vendor_string";
1104 
1105 // GL_RENDERER string.
1106 const char kGLRendererString[] = "gl_renderer_string";
1107 
1108 // GL_VERSION string.
1109 const char kGLVersionString[] = "gl_version_string";
1110 
1111 // Boolean that specifies whether to import the form data for autofill from the
1112 // default browser on first run.
1113 const char kImportAutofillFormData[] = "import_autofill_form_data";
1114 
1115 // Boolean that specifies whether to import bookmarks from the default browser
1116 // on first run.
1117 const char kImportBookmarks[] = "import_bookmarks";
1118 
1119 // Boolean that specifies whether to import the browsing history from the
1120 // default browser on first run.
1121 const char kImportHistory[] = "import_history";
1122 
1123 // Boolean that specifies whether to import the homepage from the default
1124 // browser on first run.
1125 const char kImportHomepage[] = "import_home_page";
1126 
1127 // Boolean that specifies whether to import the saved passwords from the default
1128 // browser on first run.
1129 const char kImportSavedPasswords[] = "import_saved_passwords";
1130 
1131 // Boolean that specifies whether to import the search engine from the default
1132 // browser on first run.
1133 const char kImportSearchEngine[] = "import_search_engine";
1134 
1135 // Profile avatar and name
1136 const char kProfileAvatarIndex[] = "profile.avatar_index";
1137 const char kProfileName[] = "profile.name";
1138 // Whether a profile is using a default avatar name (eg. Pickles or Person 1)
1139 // because it was randomly assigned at profile creation time.
1140 const char kProfileUsingDefaultName[] = "profile.using_default_name";
1141 // Whether a profile is using an avatar without having explicitely chosen it
1142 // (i.e. was assigned by default by legacy profile creation).
1143 const char kProfileUsingDefaultAvatar[] = "profile.using_default_avatar";
1144 const char kProfileUsingGAIAAvatar[] = "profile.using_gaia_avatar";
1145 
1146 // The supervised user ID.
1147 const char kSupervisedUserId[] = "profile.managed_user_id";
1148 
1149 // 64-bit integer serialization of the base::Time when the user's GAIA info
1150 // was last updated.
1151 const char kProfileGAIAInfoUpdateTime[] = "profile.gaia_info_update_time";
1152 
1153 // The URL from which the GAIA profile picture was downloaded. This is cached to
1154 // prevent the same picture from being downloaded multiple times.
1155 const char kProfileGAIAInfoPictureURL[] = "profile.gaia_info_picture_url";
1156 
1157 // Integer that specifies the number of times that we have shown the upgrade
1158 // tutorial card in the avatar menu bubble.
1159 const char kProfileAvatarTutorialShown[] =
1160     "profile.avatar_bubble_tutorial_shown";
1161 
1162 // Indicates if we've already shown a notification that high contrast
1163 // mode is on, recommending high-contrast extensions and themes.
1164 const char kInvertNotificationShown[] = "invert_notification_version_2_shown";
1165 
1166 // Boolean controlling whether printing is enabled.
1167 const char kPrintingEnabled[] = "printing.enabled";
1168 
1169 // Boolean controlling whether print preview is disabled.
1170 const char kPrintPreviewDisabled[] = "printing.print_preview_disabled";
1171 
1172 // An integer pref specifying the fallback behavior for sites outside of content
1173 // packs. One of:
1174 // 0: Allow (does nothing)
1175 // 1: Warn.
1176 // 2: Block.
1177 const char kDefaultSupervisedUserFilteringBehavior[] =
1178     "profile.managed.default_filtering_behavior";
1179 
1180 // Whether this user is permitted to create supervised users.
1181 const char kSupervisedUserCreationAllowed[] =
1182     "profile.managed_user_creation_allowed";
1183 
1184 // List pref containing the users supervised by this user.
1185 const char kSupervisedUsers[] = "profile.managed_users";
1186 
1187 // String that indicates that the profile reset prompt has already been shown to
1188 // the user (profile).
1189 const char kProfileResetPromptMementoInProfilePrefs[] =
1190     "profile.reset_prompt_memento";
1191 
1192 // List pref containing the extension ids which are not allowed to send
1193 // notifications to the message center.
1194 const char kMessageCenterDisabledExtensionIds[] =
1195     "message_center.disabled_extension_ids";
1196 
1197 // List pref containing the system component ids which are not allowed to send
1198 // notifications to the message center.
1199 const char kMessageCenterDisabledSystemComponentIds[] =
1200     "message_center.disabled_system_component_ids";
1201 
1202 // Boolean pref indicating the Chrome Now welcome notification was dismissed
1203 // by the user. Syncable.
1204 // Note: This is now read-only. The welcome notification writes the _local
1205 // version, below.
1206 extern const char kWelcomeNotificationDismissed[] =
1207     "message_center.welcome_notification_dismissed";
1208 
1209 // Boolean pref indicating the Chrome Now welcome notification was dismissed
1210 // by the user on this machine.
1211 extern const char kWelcomeNotificationDismissedLocal[] =
1212     "message_center.welcome_notification_dismissed_local";
1213 
1214 // Boolean pref indicating the welcome notification was previously popped up.
1215 extern const char kWelcomeNotificationPreviouslyPoppedUp[] =
1216     "message_center.welcome_notification_previously_popped_up";
1217 
1218 // Integer pref containing the expiration timestamp of the welcome notification.
1219 extern const char kWelcomeNotificationExpirationTimestamp[] =
1220     "message_center.welcome_notification_expiration_timestamp";
1221 
1222 // Boolean pref that determines whether the user can enter fullscreen mode.
1223 // Disabling fullscreen mode also makes kiosk mode unavailable on desktop
1224 // platforms.
1225 extern const char kFullscreenAllowed[] = "fullscreen.allowed";
1226 
1227 // Enable notifications for new devices on the local network that can be
1228 // registered to the user's account, e.g. Google Cloud Print printers.
1229 const char kLocalDiscoveryNotificationsEnabled[] =
1230     "local_discovery.notifications_enabled";
1231 
1232 // A timestamp (stored in base::Time::ToInternalValue format) of the last time
1233 // a preference was reset.
1234 const char kPreferenceResetTime[] = "prefs.preference_reset_time";
1235 
1236 // The GCM channel's enabled state.
1237 const char kGCMChannelEnabled[] = "gcm.channel_enabled";
1238 
1239 // How many Service Workers are registered with the Push API (could be zero).
1240 const char kPushMessagingRegistrationCount[] =
1241     "gcm.push_messaging_registration_count";
1242 
1243 // Whether Easy Unlock is enabled.
1244 const char kEasyUnlockEnabled[] = "easy_unlock.enabled";
1245 
1246 // Whether to show the Easy Unlock first run tutorial.
1247 const char kEasyUnlockShowTutorial[] = "easy_unlock.show_tutorial";
1248 
1249 // Preference storing Easy Unlock pairing data.
1250 const char kEasyUnlockPairing[] = "easy_unlock.pairing";
1251 
1252 // Whether a user is allowed to use Easy Unlock.
1253 const char kEasyUnlockAllowed[] = "easy_unlock.allowed";
1254 
1255 // A cache of zero suggest results using JSON serialized into a string.
1256 const char kZeroSuggestCachedResults[] = "zerosuggest.cachedresults";
1257 
1258 // *************** LOCAL STATE ***************
1259 // These are attached to the machine/installation
1260 
1261 // A pref to configure networks device-wide. Its value must be a list of
1262 // NetworkConfigurations according to the OpenNetworkConfiguration
1263 // specification.
1264 // Currently, this pref is only used to store the policy. The user's
1265 // configuration is still stored in Shill.
1266 const char kDeviceOpenNetworkConfiguration[] = "device_onc";
1267 
1268 // Directory of the last profile used.
1269 const char kProfileLastUsed[] = "profile.last_used";
1270 
1271 // List of directories of the profiles last active.
1272 const char kProfilesLastActive[] = "profile.last_active_profiles";
1273 
1274 // Total number of profiles created for this Chrome build. Used to tag profile
1275 // directories.
1276 const char kProfilesNumCreated[] = "profile.profiles_created";
1277 
1278 // String containing the version of Chrome that the profile was created by.
1279 // If profile was created before this feature was added, this pref will default
1280 // to "1.0.0.0".
1281 const char kProfileCreatedByVersion[] = "profile.created_by_version";
1282 
1283 // A map of profile data directory to cached information. This cache can be
1284 // used to display information about profiles without actually having to load
1285 // them.
1286 const char kProfileInfoCache[] = "profile.info_cache";
1287 
1288 // Dictionary that maps profile keys to strings that indicate that the profile
1289 // reset prompt has already been shown to the corresponding user (profile).
1290 // This is semantically similar to kProfileResetPromptMementoInProfilePrefs, see
1291 // chrome/browser/profile_resetter/automatic_profile_resetter_mementos.h for an
1292 // explanation of why this redundancy is needed.
1293 const char kProfileResetPromptMementosInLocalState[] =
1294     "profile.reset_prompt_mementos";
1295 
1296 // Prefs for SSLConfigServicePref.
1297 const char kCertRevocationCheckingEnabled[] = "ssl.rev_checking.enabled";
1298 const char kCertRevocationCheckingRequiredLocalAnchors[] =
1299     "ssl.rev_checking.required_for_local_anchors";
1300 const char kSSLVersionMin[] = "ssl.version_min";
1301 const char kSSLVersionMax[] = "ssl.version_max";
1302 const char kSSLVersionFallbackMin[] = "ssl.version_fallback_min";
1303 const char kCipherSuiteBlacklist[] = "ssl.cipher_suites.blacklist";
1304 const char kDisableSSLRecordSplitting[] = "ssl.ssl_record_splitting.disabled";
1305 
1306 // Dictionary of dates when a site's SSL blocking interstitial was proceeded
1307 // through.
1308 const char kSSLBlockingBypassed[] = "ssl.ssl_blocking_bypassed";
1309 
1310 // A boolean pref of the EULA accepted flag.
1311 const char kEulaAccepted[] = "EulaAccepted";
1312 
1313 // Boolean that specifies whether or not crash reporting and metrics reporting
1314 // are sent over the network for analysis.
1315 const char kMetricsReportingEnabled[] =
1316     "user_experience_metrics.reporting_enabled";
1317 
1318 // Boolean that specifies whether or not crash reports are sent
1319 // over the network for analysis.
1320 #if defined(OS_ANDROID)
1321 const char kCrashReportingEnabled[] =
1322     "user_experience_metrics_crash.reporting_enabled";
1323 #endif
1324 
1325 // 64-bit integer serialization of the base::Time from the last successful seed
1326 // fetch (i.e. when the Variations server responds with 200 or 304).
1327 const char kVariationsLastFetchTime[] = "variations_last_fetch_time";
1328 
1329 // String for the restrict parameter to be appended to the variations URL.
1330 const char kVariationsRestrictParameter[] = "variations_restrict_parameter";
1331 
1332 // String serialized form of variations seed protobuf.
1333 const char kVariationsSeed[] = "variations_seed";
1334 
1335 // 64-bit integer serialization of the base::Time from the last seed received.
1336 const char kVariationsSeedDate[] = "variations_seed_date";
1337 
1338 // SHA-1 hash of the serialized variations seed data (hex encoded).
1339 const char kVariationsSeedHash[] = "variations_seed_hash";
1340 
1341 // Digital signature of the binary variations seed data, base64-encoded.
1342 const char kVariationsSeedSignature[] = "variations_seed_signature";
1343 
1344 // Number of times a page load event occurred since the last report.
1345 const char kStabilityPageLoadCount[] =
1346     "user_experience_metrics.stability.page_load_count";
1347 
1348 // Number of times a renderer process crashed since the last report.
1349 const char kStabilityRendererCrashCount[] =
1350     "user_experience_metrics.stability.renderer_crash_count";
1351 
1352 // Number of times an extension renderer process crashed since the last report.
1353 const char kStabilityExtensionRendererCrashCount[] =
1354     "user_experience_metrics.stability.extension_renderer_crash_count";
1355 
1356 // This is the location of a list of dictionaries of plugin stability stats.
1357 const char kStabilityPluginStats[] =
1358     "user_experience_metrics.stability.plugin_stats2";
1359 
1360 // Number of times the renderer has become non-responsive since the last
1361 // report.
1362 const char kStabilityRendererHangCount[] =
1363     "user_experience_metrics.stability.renderer_hang_count";
1364 
1365 // Total number of child process crashes (other than renderer / extension
1366 // renderer ones, and plugin children, which are counted separately) since the
1367 // last report.
1368 const char kStabilityChildProcessCrashCount[] =
1369     "user_experience_metrics.stability.child_process_crash_count";
1370 
1371 // On Chrome OS, total number of non-Chrome user process crashes
1372 // since the last report.
1373 const char kStabilityOtherUserCrashCount[] =
1374     "user_experience_metrics.stability.other_user_crash_count";
1375 
1376 // On Chrome OS, total number of kernel crashes since the last report.
1377 const char kStabilityKernelCrashCount[] =
1378     "user_experience_metrics.stability.kernel_crash_count";
1379 
1380 // On Chrome OS, total number of unclean system shutdowns since the
1381 // last report.
1382 const char kStabilitySystemUncleanShutdownCount[] =
1383     "user_experience_metrics.stability.system_unclean_shutdowns";
1384 
1385 #if defined(OS_ANDROID)
1386 // Activity type that is currently in the foreground for the UMA session.
1387 // Uses the ActivityTypeIds::Type enum.
1388 const char kStabilityForegroundActivityType[] =
1389     "user_experience_metrics.stability.current_foreground_activity_type";
1390 
1391 // Tracks which Activities were launched during the last session.
1392 // See |metrics_service_android.cc| for its usage.
1393 const char kStabilityLaunchedActivityFlags[] =
1394     "user_experience_metrics.stability.launched_activity_flags";
1395 
1396 // List pref: Counts how many times each Activity was launched.
1397 // Indexed into by ActivityTypeIds::Type.
1398 const char kStabilityLaunchedActivityCounts[] =
1399     "user_experience_metrics.stability.launched_activity_counts";
1400 
1401 // List pref: Counts how many times each Activity type was in the foreground
1402 // when a UMA session failed to be shut down properly.
1403 // Indexed into by ActivityTypeIds::Type.
1404 const char kStabilityCrashedActivityCounts[] =
1405     "user_experience_metrics.stability.crashed_activity_counts";
1406 #endif
1407 
1408 // The keys below are used for the dictionaries in the
1409 // kStabilityPluginStats list.
1410 const char kStabilityPluginName[] = "name";
1411 const char kStabilityPluginLaunches[] = "launches";
1412 const char kStabilityPluginInstances[] = "instances";
1413 const char kStabilityPluginCrashes[] = "crashes";
1414 const char kStabilityPluginLoadingErrors[] = "loading_errors";
1415 
1416 // The keys below are strictly increasing counters over the lifetime of
1417 // a chrome installation. They are (optionally) sent up to the uninstall
1418 // survey in the event of uninstallation.
1419 const char kUninstallMetricsPageLoadCount[] =
1420     "uninstall_metrics.page_load_count";
1421 const char kUninstallLastLaunchTimeSec[] =
1422     "uninstall_metrics.last_launch_time_sec";
1423 const char kUninstallLastObservedRunTimeSec[] =
1424     "uninstall_metrics.last_observed_running_time_sec";
1425 
1426 // String containing the version of Chrome for which Chrome will not prompt the
1427 // user about setting Chrome as the default browser.
1428 const char kBrowserSuppressDefaultBrowserPrompt[] =
1429     "browser.suppress_default_browser_prompt_for_version";
1430 
1431 // A collection of position, size, and other data relating to the browser
1432 // window to restore on startup.
1433 const char kBrowserWindowPlacement[] = "browser.window_placement";
1434 
1435 // Browser window placement for popup windows.
1436 const char kBrowserWindowPlacementPopup[] = "browser.window_placement_popup";
1437 
1438 // A collection of position, size, and other data relating to the task
1439 // manager window to restore on startup.
1440 const char kTaskManagerWindowPlacement[] = "task_manager.window_placement";
1441 
1442 // A collection of position, size, and other data relating to app windows to
1443 // restore on startup.
1444 const char kAppWindowPlacement[] = "browser.app_window_placement";
1445 
1446 // An integer specifying the total number of bytes to be used by the
1447 // renderer's in-memory cache of objects.
1448 const char kMemoryCacheSize[] = "renderer.memory_cache.size";
1449 
1450 // String which specifies where to download files to by default.
1451 const char kDownloadDefaultDirectory[] = "download.default_directory";
1452 
1453 // Boolean that records if the download directory was changed by an
1454 // upgrade a unsafe location to a safe location.
1455 const char kDownloadDirUpgraded[] = "download.directory_upgrade";
1456 
1457 #if defined(OS_WIN)
1458 // Whether downloaded PDFs should be opened in Adobe Acrobat Reader.
1459 const char kOpenPdfDownloadInAdobeReader[] =
1460     "download.open_pdf_in_adobe_reader";
1461 #endif
1462 
1463 // String which specifies where to save html files to by default.
1464 const char kSaveFileDefaultDirectory[] = "savefile.default_directory";
1465 
1466 // The type used to save the page. See the enum SavePackage::SavePackageType in
1467 // the chrome/browser/download/save_package.h for the possible values.
1468 const char kSaveFileType[] = "savefile.type";
1469 
1470 // String which specifies the last directory that was chosen for uploading
1471 // or opening a file.
1472 const char kSelectFileLastDirectory[] = "selectfile.last_directory";
1473 
1474 // Boolean that specifies if file selection dialogs are shown.
1475 const char kAllowFileSelectionDialogs[] = "select_file_dialogs.allowed";
1476 
1477 // Map of default tasks, associated by MIME type.
1478 const char kDefaultTasksByMimeType[] =
1479     "filebrowser.tasks.default_by_mime_type";
1480 
1481 // Map of default tasks, associated by file suffix.
1482 const char kDefaultTasksBySuffix[] =
1483     "filebrowser.tasks.default_by_suffix";
1484 
1485 // Extensions which should be opened upon completion.
1486 const char kDownloadExtensionsToOpen[] = "download.extensions_to_open";
1487 
1488 // Integer which specifies the frequency in milliseconds for detecting whether
1489 // plugin windows are hung.
1490 const char kHungPluginDetectFrequency[] = "browser.hung_plugin_detect_freq";
1491 
1492 // Integer which specifies the timeout value to be used for SendMessageTimeout
1493 // to detect a hung plugin window.
1494 const char kPluginMessageResponseTimeout[] =
1495     "browser.plugin_message_response_timeout";
1496 
1497 // String which represents the dictionary name for our spell-checker.
1498 const char kSpellCheckDictionary[] = "spellcheck.dictionary";
1499 
1500 // String which represents whether we use the spelling service.
1501 const char kSpellCheckUseSpellingService[] = "spellcheck.use_spelling_service";
1502 
1503 // Dictionary of schemes used by the external protocol handler.
1504 // The value is true if the scheme must be ignored.
1505 const char kExcludedSchemes[] = "protocol_handler.excluded_schemes";
1506 
1507 // Keys used for MAC handling of SafeBrowsing requests.
1508 const char kSafeBrowsingClientKey[] = "safe_browsing.client_key";
1509 const char kSafeBrowsingWrappedKey[] = "safe_browsing.wrapped_key";
1510 
1511 // Integer that specifies the index of the tab the user was on when they
1512 // last visited the options window.
1513 const char kOptionsWindowLastTabIndex[] = "options_window.last_tab_index";
1514 
1515 // Integer that specifies the index of the tab the user was on when they
1516 // last visited the content settings window.
1517 const char kContentSettingsWindowLastTabIndex[] =
1518     "content_settings_window.last_tab_index";
1519 
1520 // Integer that specifies the index of the tab the user was on when they
1521 // last visited the Certificate Manager window.
1522 const char kCertificateManagerWindowLastTabIndex[] =
1523     "certificate_manager_window.last_tab_index";
1524 
1525 // Integer that specifies if the first run bubble should be shown.
1526 // This preference is only registered by the first-run procedure.
1527 const char kShowFirstRunBubbleOption[] = "show-first-run-bubble-option";
1528 
1529 // String containing the last known intranet redirect URL, if any.  See
1530 // intranet_redirect_detector.h for more information.
1531 const char kLastKnownIntranetRedirectOrigin[] = "browser.last_redirect_origin";
1532 
1533 // An enum value of how the browser was shut down (see browser_shutdown.h).
1534 const char kShutdownType[] = "shutdown.type";
1535 // Number of processes that were open when the user shut down.
1536 const char kShutdownNumProcesses[] = "shutdown.num_processes";
1537 // Number of processes that were shut down using the slow path.
1538 const char kShutdownNumProcessesSlow[] = "shutdown.num_processes_slow";
1539 
1540 // Whether to restart the current Chrome session automatically as the last thing
1541 // before shutting everything down.
1542 const char kRestartLastSessionOnShutdown[] = "restart.last.session.on.shutdown";
1543 
1544 // Set before autorestarting Chrome, cleared on clean exit.
1545 const char kWasRestarted[] = "was.restarted";
1546 
1547 #if defined(OS_WIN)
1548 // Preference to be used while relaunching Chrome. This preference dictates if
1549 // Chrome should be launched in Metro or Desktop mode.
1550 // For more info take a look at ChromeRelaunchMode enum.
1551 const char kRelaunchMode[] = "relaunch.mode";
1552 #endif
1553 
1554 // Placeholder preference for disabling voice / video chat if it is ever added.
1555 // Currently, this does not change any behavior.
1556 const char kDisableVideoAndChat[] = "disable_video_chat";
1557 
1558 // Whether Extensions are enabled.
1559 const char kDisableExtensions[] = "extensions.disabled";
1560 
1561 // Whether the plugin finder that lets you install missing plug-ins is enabled.
1562 const char kDisablePluginFinder[] = "plugins.disable_plugin_finder";
1563 
1564 // Customized app page names that appear on the New Tab Page.
1565 const char kNtpAppPageNames[] = "ntp.app_page_names";
1566 
1567 // Keeps track of currently open tabs collapsed state in the Other Devices menu.
1568 const char kNtpCollapsedCurrentlyOpenTabs[] = "ntp.collapsed_open_tabs";
1569 
1570 // Keeps track of which sessions are collapsed in the Other Devices menu.
1571 const char kNtpCollapsedForeignSessions[] = "ntp.collapsed_foreign_sessions";
1572 
1573 // Keeps track of recently closed tabs collapsed state in the Other Devices
1574 // menu.
1575 const char kNtpCollapsedRecentlyClosedTabs[] =
1576     "ntp.collapsed_recently_closed_tabs";
1577 
1578 // Keeps track of snapshot documents collapsed state in the Other Devices menu.
1579 const char kNtpCollapsedSnapshotDocument[] = "ntp.collapsed_snapshot_document";
1580 
1581 // Keeps track of sync promo collapsed state in the Other Devices menu.
1582 const char kNtpCollapsedSyncPromo[] = "ntp.collapsed_sync_promo";
1583 
1584 // Serves dates to determine display of elements on the NTP.
1585 const char kNtpDateResourceServer[] = "ntp.date_resource_server";
1586 
1587 // New Tab Page URLs that should not be shown as most visited thumbnails.
1588 const char kNtpMostVisitedURLsBlacklist[] = "ntp.most_visited_blacklist";
1589 
1590 // True if a desktop sync session was found for this user.
1591 const char kNtpPromoDesktopSessionFound[] = "ntp.promo_desktop_session_found";
1592 
1593 // Last time of update of promo_resource_cache.
1594 const char kNtpPromoResourceCacheUpdate[] = "ntp.promo_resource_cache_update";
1595 
1596 // Which bookmarks folder should be visible on the new tab page v4.
1597 const char kNtpShownBookmarksFolder[] = "ntp.shown_bookmarks_folder";
1598 
1599 // Which page should be visible on the new tab page v4
1600 const char kNtpShownPage[] = "ntp.shown_page";
1601 
1602 // Serves tips for the NTP.
1603 const char kNtpTipsResourceServer[] = "ntp.tips_resource_server";
1604 
1605 // Boolean indicating whether the web store is active for the current locale.
1606 const char kNtpWebStoreEnabled[] = "ntp.webstore_enabled";
1607 
1608 // A private RSA key for ADB handshake.
1609 const char kDevToolsAdbKey[] = "devtools.adb_key";
1610 
1611 const char kDevToolsDisabled[] = "devtools.disabled";
1612 
1613 // Determines whether devtools should be discovering usb devices for
1614 // remote debugging at chrome://inspect.
1615 const char kDevToolsDiscoverUsbDevicesEnabled[] =
1616     "devtools.discover_usb_devices";
1617 
1618 // Maps of files edited locally using DevTools.
1619 const char kDevToolsEditedFiles[] = "devtools.edited_files";
1620 
1621 // List of file system paths added in DevTools.
1622 const char kDevToolsFileSystemPaths[] = "devtools.file_system_paths";
1623 
1624 // A boolean specifying whether dev tools window should be opened docked.
1625 const char kDevToolsOpenDocked[] = "devtools.open_docked";
1626 
1627 // A boolean specifying whether port forwarding should be enabled.
1628 const char kDevToolsPortForwardingEnabled[] =
1629     "devtools.port_forwarding_enabled";
1630 
1631 // A boolean specifying whether default port forwarding configuration has been
1632 // set.
1633 const char kDevToolsPortForwardingDefaultSet[] =
1634     "devtools.port_forwarding_default_set";
1635 
1636 // A dictionary of port->location pairs for port forwarding.
1637 const char kDevToolsPortForwardingConfig[] = "devtools.port_forwarding_config";
1638 
1639 #if defined(OS_ANDROID)
1640 // A boolean specifying whether remote dev tools debugging is enabled.
1641 const char kDevToolsRemoteEnabled[] = "devtools.remote_enabled";
1642 #endif
1643 
1644 // Boolean indicating that TiclInvalidationService should use GCM channel.
1645 // False or lack of settings means XMPPPushClient channel.
1646 const char kInvalidationServiceUseGCMChannel[] =
1647     "invalidation_service.use_gcm_channel";
1648 
1649 // Local hash of authentication password, used for off-line authentication
1650 // when on-line authentication is not available.
1651 const char kGoogleServicesPasswordHash[] = "google.services.password_hash";
1652 
1653 #if !defined(OS_ANDROID)
1654 // Tracks the number of times that we have shown the sign in promo at startup.
1655 const char kSignInPromoStartupCount[] = "sync_promo.startup_count";
1656 
1657 // Boolean tracking whether the user chose to skip the sign in promo.
1658 const char kSignInPromoUserSkipped[] = "sync_promo.user_skipped";
1659 
1660 // Boolean that specifies if the sign in promo is allowed to show on first run.
1661 // This preference is specified in the master preference file to suppress the
1662 // sign in promo for some installations.
1663 const char kSignInPromoShowOnFirstRunAllowed[] =
1664     "sync_promo.show_on_first_run_allowed";
1665 
1666 // Boolean that specifies if we should show a bubble in the new tab page.
1667 // The bubble is used to confirm that the user is signed into sync.
1668 const char kSignInPromoShowNTPBubble[] = "sync_promo.show_ntp_bubble";
1669 #endif
1670 
1671 // Create web application shortcut dialog preferences.
1672 const char kWebAppCreateOnDesktop[] = "browser.web_app.create_on_desktop";
1673 const char kWebAppCreateInAppsMenu[] = "browser.web_app.create_in_apps_menu";
1674 const char kWebAppCreateInQuickLaunchBar[] =
1675     "browser.web_app.create_in_quick_launch_bar";
1676 
1677 // Dictionary that maps Geolocation network provider server URLs to
1678 // corresponding access token.
1679 const char kGeolocationAccessToken[] = "geolocation.access_token";
1680 
1681 // Boolean that indicates whether to allow firewall traversal while trying to
1682 // establish the initial connection from the client or host.
1683 const char kRemoteAccessHostFirewallTraversal[] =
1684     "remote_access.host_firewall_traversal";
1685 
1686 // Boolean controlling whether 2-factor auth should be required when connecting
1687 // to a host (instead of a PIN).
1688 const char kRemoteAccessHostRequireTwoFactor[] =
1689     "remote_access.host_require_two_factor";
1690 
1691 // String containing the domain name that hosts must belong to. If blank, then
1692 // hosts can belong to any domain.
1693 const char kRemoteAccessHostDomain[] = "remote_access.host_domain";
1694 
1695 // String containing the domain name of the Chromoting Directory.
1696 // Used by Chromoting host and client.
1697 const char kRemoteAccessHostTalkGadgetPrefix[] =
1698     "remote_access.host_talkgadget_prefix";
1699 
1700 // Boolean controlling whether curtaining is required when connecting to a host.
1701 const char kRemoteAccessHostRequireCurtain[] =
1702     "remote_access.host_require_curtain";
1703 
1704 // Boolean controlling whether curtaining is required when connecting to a host.
1705 const char kRemoteAccessHostAllowClientPairing[] =
1706     "remote_access.host_allow_client_pairing";
1707 
1708 // Whether Chrome Remote Desktop can proxy gnubby authentication traffic.
1709 const char kRemoteAccessHostAllowGnubbyAuth[] =
1710     "remote_access.host_allow_gnubby_auth";
1711 
1712 // Boolean that indicates whether the Chromoting host should allow connections
1713 // using relay servers.
1714 const char kRemoteAccessHostAllowRelayedConnection[] =
1715     "remote_access.host_allow_relayed_connection";
1716 
1717 // String containing the UDP port range that the Chromoting host should used
1718 // when connecting to clients. The port range should be in the form:
1719 // <min_port>-<max_port>. E.g. 12400-12409.
1720 const char kRemoteAccessHostUdpPortRange[] =
1721     "remote_access.host_udp_port_range";
1722 
1723 // The last used printer and its settings.
1724 const char kPrintPreviewStickySettings[] =
1725     "printing.print_preview_sticky_settings";
1726 
1727 // The last requested size of the dialog as it was closed.
1728 const char kCloudPrintDialogWidth[] = "cloud_print.dialog_size.width";
1729 const char kCloudPrintDialogHeight[] = "cloud_print.dialog_size.height";
1730 const char kCloudPrintSigninDialogWidth[] =
1731     "cloud_print.signin_dialog_size.width";
1732 const char kCloudPrintSigninDialogHeight[] =
1733     "cloud_print.signin_dialog_size.height";
1734 
1735 // The list of BackgroundContents that should be loaded when the browser
1736 // launches.
1737 const char kRegisteredBackgroundContents[] = "background_contents.registered";
1738 
1739 #if !defined(OS_ANDROID)
1740 // An int that stores how often we've shown the "Chrome is configured to
1741 // auto-launch" infobar.
1742 const char kShownAutoLaunchInfobar[] = "browser.shown_autolaunch_infobar";
1743 #endif
1744 
1745 // String that lists supported HTTP authentication schemes.
1746 const char kAuthSchemes[] = "auth.schemes";
1747 
1748 // Boolean that specifies whether to disable CNAME lookups when generating
1749 // Kerberos SPN.
1750 const char kDisableAuthNegotiateCnameLookup[] =
1751     "auth.disable_negotiate_cname_lookup";
1752 
1753 // Boolean that specifies whether to include the port in a generated Kerberos
1754 // SPN.
1755 const char kEnableAuthNegotiatePort[] = "auth.enable_negotiate_port";
1756 
1757 // Whitelist containing servers for which Integrated Authentication is enabled.
1758 const char kAuthServerWhitelist[] = "auth.server_whitelist";
1759 
1760 // Whitelist containing servers Chrome is allowed to do Kerberos delegation
1761 // with.
1762 const char kAuthNegotiateDelegateWhitelist[] =
1763     "auth.negotiate_delegate_whitelist";
1764 
1765 // String that specifies the name of a custom GSSAPI library to load.
1766 const char kGSSAPILibraryName[] = "auth.gssapi_library_name";
1767 
1768 // Boolean that specifies whether to allow basic auth prompting on cross-
1769 // domain sub-content requests.
1770 const char kAllowCrossOriginAuthPrompt[] = "auth.allow_cross_origin_prompt";
1771 
1772 // Boolean that specifies whether the built-in asynchronous DNS client is used.
1773 const char kBuiltInDnsClientEnabled[] = "async_dns.enabled";
1774 
1775 // A pref holding the value of the policy used to explicitly allow or deny
1776 // access to audio capture devices.  When enabled or not set, the user is
1777 // prompted for device access.  When disabled, access to audio capture devices
1778 // is not allowed and no prompt will be shown.
1779 // See also kAudioCaptureAllowedUrls.
1780 const char kAudioCaptureAllowed[] = "hardware.audio_capture_enabled";
1781 // Holds URL patterns that specify URLs that will be granted access to audio
1782 // capture devices without prompt.  NOTE: This whitelist is currently only
1783 // supported when running in kiosk mode.
1784 // TODO(tommi): Update comment when this is supported for all modes.
1785 const char kAudioCaptureAllowedUrls[] = "hardware.audio_capture_allowed_urls";
1786 
1787 // A pref holding the value of the policy used to explicitly allow or deny
1788 // access to video capture devices.  When enabled or not set, the user is
1789 // prompted for device access.  When disabled, access to video capture devices
1790 // is not allowed and no prompt will be shown.
1791 const char kVideoCaptureAllowed[] = "hardware.video_capture_enabled";
1792 // Holds URL patterns that specify URLs that will be granted access to video
1793 // capture devices without prompt.  NOTE: This whitelist is currently only
1794 // supported when running in kiosk mode.
1795 // TODO(tommi): Update comment when this is supported for all modes.
1796 const char kVideoCaptureAllowedUrls[] = "hardware.video_capture_allowed_urls";
1797 
1798 // A boolean pref that controls the enabled-state of hotword search voice
1799 // trigger.
1800 const char kHotwordSearchEnabled[] = "hotword.search_enabled_2";
1801 
1802 // A boolean pref that controls the enabled-state of hotword search voice
1803 // trigger from any screen.
1804 const char kHotwordAlwaysOnSearchEnabled[] = "hotword.always_on_search_enabled";
1805 
1806 // A boolean pref that controls whether the sound of "Ok, Google" plus a few
1807 // seconds of audio data before is sent back to improve voice search.
1808 const char kHotwordAudioLoggingEnabled[] = "hotword.audio_logging_enabled";
1809 
1810 // A string holding the locale information under which Hotword was installed.
1811 // It is used for comparison since the hotword voice search trigger must be
1812 // reinstalled to handle a new language.
1813 const char kHotwordPreviousLanguage[] = "hotword.previous_language";
1814 
1815 #if defined(OS_ANDROID)
1816 // Boolean that controls the global enabled-state of protected media identifier.
1817 const char kProtectedMediaIdentifierEnabled[] =
1818     "protected_media_identifier.enabled";
1819 #endif
1820 
1821 #if defined(OS_CHROMEOS)
1822 // Dictionary for transient storage of settings that should go into device
1823 // settings storage before owner has been assigned.
1824 const char kDeviceSettingsCache[] = "signed_settings_cache";
1825 
1826 // The hardware keyboard layout of the device. This should look like
1827 // "xkb:us::eng".
1828 const char kHardwareKeyboardLayout[] = "intl.hardware_keyboard";
1829 
1830 // An integer pref which shows number of times carrier deal promo
1831 // notification has been shown to user.
1832 const char kCarrierDealPromoShown[] =
1833     "settings.internet.mobile.carrier_deal_promo_shown";
1834 
1835 // A boolean pref of the auto-enrollment decision. Its value is only valid if
1836 // it's not the default value; otherwise, no auto-enrollment decision has been
1837 // made yet.
1838 const char kShouldAutoEnroll[] = "ShouldAutoEnroll";
1839 
1840 // An integer pref with the maximum number of bits used by the client in a
1841 // previous auto-enrollment request. If the client goes through an auto update
1842 // during OOBE and reboots into a version of the OS with a larger maximum
1843 // modulus, then it will retry auto-enrollment using the updated value.
1844 const char kAutoEnrollmentPowerLimit[] = "AutoEnrollmentPowerLimit";
1845 
1846 // The local state pref that stores device activity times before reporting
1847 // them to the policy server.
1848 const char kDeviceActivityTimes[] = "device_status.activity_times";
1849 
1850 // A pref holding the last known location when device location reporting is
1851 // enabled.
1852 const char kDeviceLocation[] = "device_status.location";
1853 
1854 // A pref holding the value of the policy used to disable mounting of external
1855 // storage for the user.
1856 const char kExternalStorageDisabled[] = "hardware.external_storage_disabled";
1857 
1858 // A pref holding the value of the policy used to disable playing audio on
1859 // ChromeOS devices. This pref overrides |kAudioMute| but does not overwrite
1860 // it, therefore when the policy is lifted the original mute state is restored.
1861 const char kAudioOutputAllowed[] = "hardware.audio_output_enabled";
1862 
1863 // A dictionary that maps usernames to wallpaper properties.
1864 const char kUsersWallpaperInfo[] = "user_wallpaper_info";
1865 
1866 // Copy of owner swap mouse buttons option to use on login screen.
1867 const char kOwnerPrimaryMouseButtonRight[] = "owner.mouse.primary_right";
1868 
1869 // Copy of owner tap-to-click option to use on login screen.
1870 const char kOwnerTapToClickEnabled[] = "owner.touchpad.enable_tap_to_click";
1871 
1872 // The length of device uptime after which an automatic reboot is scheduled,
1873 // expressed in seconds.
1874 const char kUptimeLimit[] = "automatic_reboot.uptime_limit";
1875 
1876 // Whether an automatic reboot should be scheduled when an update has been
1877 // applied and a reboot is required to complete the update process.
1878 const char kRebootAfterUpdate[] = "automatic_reboot.reboot_after_update";
1879 
1880 // An any-api scoped refresh token for enterprise-enrolled devices.  Allows
1881 // for connection to Google APIs when the user isn't logged in.  Currently used
1882 // for for getting a cloudprint scoped token to allow printing in Guest mode,
1883 // Public Accounts and kiosks.
1884 const char kDeviceRobotAnyApiRefreshToken[] =
1885     "device_robot_refresh_token.any-api";
1886 
1887 // Device requisition for enterprise enrollment.
1888 const char kDeviceEnrollmentRequisition[] = "enrollment.device_requisition";
1889 
1890 // Whether to automatically start the enterprise enrollment step during OOBE.
1891 const char kDeviceEnrollmentAutoStart[] = "enrollment.auto_start";
1892 
1893 // Whether the user may exit enrollment.
1894 const char kDeviceEnrollmentCanExit[] = "enrollment.can_exit";
1895 
1896 // How many times HID detection OOBE dialog was shown.
1897 const char kTimesHIDDialogShown[] = "HIDDialog.shown_how_many_times";
1898 
1899 // Dictionary of per-user Least Recently Used input method (used at login
1900 // screen).
1901 extern const char kUsersLRUInputMethod[] = "UsersLRUInputMethod";
1902 
1903 // A dictionary pref of the echo offer check flag. It sets offer info when
1904 // an offer is checked.
1905 extern const char kEchoCheckedOffers[] = "EchoCheckedOffers";
1906 
1907 // Key name of a dictionary in local state to store cached multiprofle user
1908 // behavior policy value.
1909 const char kCachedMultiProfileUserBehavior[] = "CachedMultiProfileUserBehavior";
1910 
1911 // A string pref with initial locale set in VPD or manifest.
1912 const char kInitialLocale[] = "intl.initial_locale";
1913 
1914 // A boolean pref of the OOBE complete flag (first OOBE part before login).
1915 const char kOobeComplete[] = "OobeComplete";
1916 
1917 // The name of the screen that has to be shown if OOBE has been interrupted.
1918 const char kOobeScreenPending[] = "OobeScreenPending";
1919 
1920 // A boolean pref of the device registered flag (second part after first login).
1921 const char kDeviceRegistered[] = "DeviceRegistered";
1922 
1923 // Boolean pref to signal corrupted enrollment to force the device through
1924 // enrollment recovery flow upon next boot.
1925 const char kEnrollmentRecoveryRequired[] = "EnrollmentRecoveryRequired";
1926 
1927 // List of usernames that used certificates pushed by policy before.
1928 // This is used to prevent these users from joining multiprofile sessions.
1929 const char kUsedPolicyCertificates[] = "policy.used_policy_certificates";
1930 
1931 // A dictionary containing server-provided device state pulled form the cloud
1932 // after recovery.
1933 const char kServerBackedDeviceState[] = "server_backed_device_state";
1934 
1935 // Customized wallpaper URL, which is already downloaded and scaled.
1936 // The URL from this preference must never be fetched. It is compared to the
1937 // URL from customization document to check if wallpaper URL has changed
1938 // since wallpaper was cached.
1939 const char kCustomizationDefaultWallpaperURL[] =
1940     "customization.default_wallpaper_url";
1941 
1942 // System uptime, when last logout started.
1943 // This is saved to file and cleared after chrome process starts.
1944 const char kLogoutStartedLast[] = "chromeos.logout-started";
1945 
1946 // An integer pref of the current consumer management enrollment stage. The
1947 // meaning of the value is defined in the enum EnrollmentStage in:
1948 //   chrome/browser/chromeos/policy/consumer_management_service.h
1949 const char kConsumerManagementEnrollmentStage[] =
1950     "consumer_management.enrollment_stage";
1951 #endif
1952 
1953 // Whether there is a Flash version installed that supports clearing LSO data.
1954 const char kClearPluginLSODataEnabled[] = "browser.clear_lso_data_enabled";
1955 
1956 // Whether we should show Pepper Flash-specific settings.
1957 const char kPepperFlashSettingsEnabled[] =
1958     "browser.pepper_flash_settings_enabled";
1959 
1960 // String which specifies where to store the disk cache.
1961 const char kDiskCacheDir[] = "browser.disk_cache_dir";
1962 // Pref name for the policy specifying the maximal cache size.
1963 const char kDiskCacheSize[] = "browser.disk_cache_size";
1964 // Pref name for the policy specifying the maximal media cache size.
1965 const char kMediaCacheSize[] = "browser.media_cache_size";
1966 
1967 // Specifies the release channel that the device should be locked to.
1968 // Possible values: "stable-channel", "beta-channel", "dev-channel", or an
1969 // empty string, in which case the value will be ignored.
1970 // TODO(dubroy): This preference may not be necessary once
1971 // http://crosbug.com/17015 is implemented and the update engine can just
1972 // fetch the correct value from the policy.
1973 const char kChromeOsReleaseChannel[] = "cros.system.releaseChannel";
1974 
1975 const char kPerformanceTracingEnabled[] =
1976     "feedback.performance_tracing_enabled";
1977 
1978 // Boolean indicating whether tabstrip uses stacked layout (on touch devices).
1979 // Defaults to false.
1980 const char kTabStripStackedLayout[] = "tab-strip-stacked-layout";
1981 
1982 // Indicates that factory reset was requested from options page or reset screen.
1983 const char kFactoryResetRequested[] = "FactoryResetRequested";
1984 
1985 // Boolean recording whether we have showed a balloon that calls out the message
1986 // center for desktop notifications.
1987 const char kMessageCenterShowedFirstRunBalloon[] =
1988     "message_center.showed_first_run_balloon";
1989 
1990 // Boolean recording whether the user has disabled the notifications
1991 // menubar or systray icon.
1992 const char kMessageCenterShowIcon[] = "message_center.show_icon";
1993 
1994 const char kMessageCenterForcedOnTaskbar[] =
1995     "message_center.was_forced_on_taskbar";
1996 
1997 // *************** SERVICE PREFS ***************
1998 // These are attached to the service process.
1999 
2000 const char kCloudPrintRoot[] = "cloud_print";
2001 const char kCloudPrintProxyEnabled[] = "cloud_print.enabled";
2002 // The unique id for this instance of the cloud print proxy.
2003 const char kCloudPrintProxyId[] = "cloud_print.proxy_id";
2004 // The GAIA auth token for Cloud Print
2005 const char kCloudPrintAuthToken[] = "cloud_print.auth_token";
2006 // The GAIA auth token used by Cloud Print to authenticate with the XMPP server
2007 // This should eventually go away because the above token should work for both.
2008 const char kCloudPrintXMPPAuthToken[] = "cloud_print.xmpp_auth_token";
2009 // The email address of the account used to authenticate with the Cloud Print
2010 // server.
2011 const char kCloudPrintEmail[] = "cloud_print.email";
2012 // Settings specific to underlying print system.
2013 const char kCloudPrintPrintSystemSettings[] =
2014     "cloud_print.print_system_settings";
2015 // A boolean indicating whether we should poll for print jobs when don't have
2016 // an XMPP connection (false by default).
2017 const char kCloudPrintEnableJobPoll[] = "cloud_print.enable_job_poll";
2018 const char kCloudPrintRobotRefreshToken[] = "cloud_print.robot_refresh_token";
2019 const char kCloudPrintRobotEmail[] = "cloud_print.robot_email";
2020 // A boolean indicating whether we should connect to cloud print new printers.
2021 const char kCloudPrintConnectNewPrinters[] =
2022     "cloud_print.user_settings.connectNewPrinters";
2023 // A boolean indicating whether we should ping XMPP connection.
2024 const char kCloudPrintXmppPingEnabled[] = "cloud_print.xmpp_ping_enabled";
2025 // An int value indicating the average timeout between xmpp pings.
2026 const char kCloudPrintXmppPingTimeout[] = "cloud_print.xmpp_ping_timeout_sec";
2027 // Dictionary with settings stored by connector setup page.
2028 const char kCloudPrintUserSettings[] = "cloud_print.user_settings";
2029 // List of printers settings.
2030 extern const char kCloudPrintPrinters[] = "cloud_print.user_settings.printers";
2031 // A boolean indicating whether submitting jobs to Google Cloud Print is
2032 // blocked by policy.
2033 const char kCloudPrintSubmitEnabled[] = "cloud_print.submit_enabled";
2034 
2035 // Preference to store proxy settings.
2036 const char kProxy[] = "proxy";
2037 const char kMaxConnectionsPerProxy[] = "net.max_connections_per_proxy";
2038 
2039 // Preferences that are exclusively used to store managed values for default
2040 // content settings.
2041 const char kManagedDefaultCookiesSetting[] =
2042     "profile.managed_default_content_settings.cookies";
2043 const char kManagedDefaultImagesSetting[] =
2044     "profile.managed_default_content_settings.images";
2045 const char kManagedDefaultJavaScriptSetting[] =
2046     "profile.managed_default_content_settings.javascript";
2047 const char kManagedDefaultPluginsSetting[] =
2048     "profile.managed_default_content_settings.plugins";
2049 const char kManagedDefaultPopupsSetting[] =
2050     "profile.managed_default_content_settings.popups";
2051 const char kManagedDefaultGeolocationSetting[] =
2052     "profile.managed_default_content_settings.geolocation";
2053 const char kManagedDefaultNotificationsSetting[] =
2054     "profile.managed_default_content_settings.notifications";
2055 const char kManagedDefaultMediaStreamSetting[] =
2056     "profile.managed_default_content_settings.media_stream";
2057 
2058 // Preferences that are exclusively used to store managed
2059 // content settings patterns.
2060 const char kManagedCookiesAllowedForUrls[] =
2061     "profile.managed_cookies_allowed_for_urls";
2062 const char kManagedCookiesBlockedForUrls[] =
2063     "profile.managed_cookies_blocked_for_urls";
2064 const char kManagedCookiesSessionOnlyForUrls[] =
2065     "profile.managed_cookies_sessiononly_for_urls";
2066 const char kManagedImagesAllowedForUrls[] =
2067     "profile.managed_images_allowed_for_urls";
2068 const char kManagedImagesBlockedForUrls[] =
2069     "profile.managed_images_blocked_for_urls";
2070 const char kManagedJavaScriptAllowedForUrls[] =
2071     "profile.managed_javascript_allowed_for_urls";
2072 const char kManagedJavaScriptBlockedForUrls[] =
2073     "profile.managed_javascript_blocked_for_urls";
2074 const char kManagedPluginsAllowedForUrls[] =
2075     "profile.managed_plugins_allowed_for_urls";
2076 const char kManagedPluginsBlockedForUrls[] =
2077     "profile.managed_plugins_blocked_for_urls";
2078 const char kManagedPopupsAllowedForUrls[] =
2079     "profile.managed_popups_allowed_for_urls";
2080 const char kManagedPopupsBlockedForUrls[] =
2081     "profile.managed_popups_blocked_for_urls";
2082 const char kManagedNotificationsAllowedForUrls[] =
2083     "profile.managed_notifications_allowed_for_urls";
2084 const char kManagedNotificationsBlockedForUrls[] =
2085     "profile.managed_notifications_blocked_for_urls";
2086 const char kManagedAutoSelectCertificateForUrls[] =
2087     "profile.managed_auto_select_certificate_for_urls";
2088 
2089 #if defined(OS_MACOSX)
2090 // Set to true if the user removed our login item so we should not create a new
2091 // one when uninstalling background apps.
2092 const char kUserRemovedLoginItem[] = "background_mode.user_removed_login_item";
2093 
2094 // Set to true if Chrome already created a login item, so there's no need to
2095 // create another one.
2096 const char kChromeCreatedLoginItem[] =
2097   "background_mode.chrome_created_login_item";
2098 
2099 // Set to true once we've initialized kChromeCreatedLoginItem for the first
2100 // time.
2101 const char kMigratedLoginItemPref[] =
2102   "background_mode.migrated_login_item_pref";
2103 
2104 // A boolean that tracks whether to show a notification when trying to quit
2105 // while there are apps running.
2106 const char kNotifyWhenAppsKeepChromeAlive[] =
2107     "apps.notify-when-apps-keep-chrome-alive";
2108 #endif
2109 
2110 // Set to true if background mode is enabled on this browser.
2111 const char kBackgroundModeEnabled[] = "background_mode.enabled";
2112 
2113 // Set to true if hardware acceleration mode is enabled on this browser.
2114 const char kHardwareAccelerationModeEnabled[] =
2115   "hardware_acceleration_mode.enabled";
2116 
2117 // Hardware acceleration mode from previous browser launch.
2118 const char kHardwareAccelerationModePrevious[] =
2119   "hardware_acceleration_mode_previous";
2120 
2121 // List of protocol handlers.
2122 const char kRegisteredProtocolHandlers[] =
2123   "custom_handlers.registered_protocol_handlers";
2124 
2125 // List of protocol handlers the user has requested not to be asked about again.
2126 const char kIgnoredProtocolHandlers[] =
2127   "custom_handlers.ignored_protocol_handlers";
2128 
2129 // List of protocol handlers registered by policy.
2130 const char kPolicyRegisteredProtocolHandlers[] =
2131     "custom_handlers.policy.registered_protocol_handlers";
2132 
2133 // List of protocol handlers the policy has requested to be ignored.
2134 const char kPolicyIgnoredProtocolHandlers[] =
2135     "custom_handlers.policy.ignored_protocol_handlers";
2136 
2137 // Whether user-specified handlers for protocols and content types can be
2138 // specified.
2139 const char kCustomHandlersEnabled[] = "custom_handlers.enabled";
2140 
2141 // Integer that specifies the policy refresh rate for device-policy in
2142 // milliseconds. Not all values are meaningful, so it is clamped to a sane range
2143 // by the cloud policy subsystem.
2144 const char kDevicePolicyRefreshRate[] = "policy.device_refresh_rate";
2145 
2146 // A boolean where true means that the browser has previously attempted to
2147 // enable autoupdate and failed, so the next out-of-date browser start should
2148 // not prompt the user to enable autoupdate, it should offer to reinstall Chrome
2149 // instead.
2150 const char kAttemptedToEnableAutoupdate[] =
2151     "browser.attempted_to_enable_autoupdate";
2152 
2153 // The next media gallery ID to assign.
2154 const char kMediaGalleriesUniqueId[] = "media_galleries.gallery_id";
2155 
2156 // A list of dictionaries, where each dictionary represents a known media
2157 // gallery.
2158 const char kMediaGalleriesRememberedGalleries[] =
2159     "media_galleries.remembered_galleries";
2160 
2161 // The last time a media scan completed.
2162 const char kMediaGalleriesLastScanTime[] = "media_galleries.last_scan_time";
2163 
2164 #if defined(USE_ASH)
2165 // |kShelfAlignment| and |kShelfAutoHideBehavior| have a local variant. The
2166 // local variant is not synced and is used if set. If the local variant is not
2167 // set its value is set from the synced value (once prefs have been
2168 // synced). This gives a per-machine setting that is initialized from the last
2169 // set value.
2170 // These values are default on the machine but can be overridden by per-display
2171 // values in kShelfPreferences (unless overridden by managed policy).
2172 // String value corresponding to ash::Shell::ShelfAlignment.
2173 const char kShelfAlignment[] = "shelf_alignment";
2174 const char kShelfAlignmentLocal[] = "shelf_alignment_local";
2175 // String value corresponding to ash::Shell::ShelfAutoHideBehavior.
2176 const char kShelfAutoHideBehavior[] = "auto_hide_behavior";
2177 const char kShelfAutoHideBehaviorLocal[] = "auto_hide_behavior_local";
2178 // This value stores chrome icon's index in the launcher. This should be handled
2179 // separately with app shortcut's index because of ShelfModel's backward
2180 // compatibility. If we add chrome icon index to |kPinnedLauncherApps|, its
2181 // index is also stored in the |kPinnedLauncherApp| pref. It may causes
2182 // creating two chrome icons.
2183 const char kShelfChromeIconIndex[] = "shelf_chrome_icon_index";
2184 // Dictionary value that holds per-display preference of shelf alignment and
2185 // auto-hide behavior. Key of the dictionary is the id of the display, and
2186 // its value is a dictionary whose keys are kShelfAlignment and
2187 // kShelfAutoHideBehavior.
2188 const char kShelfPreferences[] = "shelf_preferences";
2189 
2190 // Integer value in milliseconds indicating the length of time for which a
2191 // confirmation dialog should be shown when the user presses the logout button.
2192 // A value of 0 indicates that logout should happen immediately, without showing
2193 // a confirmation dialog.
2194 const char kLogoutDialogDurationMs[] = "logout_dialog_duration_ms";
2195 const char kPinnedLauncherApps[] = "pinned_launcher_apps";
2196 // Boolean value indicating whether to show a logout button in the ash tray.
2197 const char kShowLogoutButtonInTray[] = "show_logout_button_in_tray";
2198 #endif
2199 
2200 #if defined(USE_AURA)
2201 // Tuning settings for gestures.
2202 const char kMaxSeparationForGestureTouchesInPixels[] =
2203     "gesture.max_separation_for_gesture_touches_in_pixels";
2204 const char kSemiLongPressTimeInSeconds[] =
2205     "gesture.semi_long_press_time_in_seconds";
2206 const char kTabScrubActivationDelayInMS[] =
2207     "gesture.tab_scrub_activation_delay_in_ms";
2208 const char kFlingMaxCancelToDownTimeInMs[] =
2209     "gesture.fling_max_cancel_to_down_time_in_ms";
2210 const char kFlingMaxTapGapTimeInMs[] =
2211     "gesture.fling_max_tap_gap_time_in_ms";
2212 const char kOverscrollHorizontalThresholdComplete[] =
2213     "overscroll.horizontal_threshold_complete";
2214 const char kOverscrollVerticalThresholdComplete[] =
2215     "overscroll.vertical_threshold_complete";
2216 const char kOverscrollMinimumThresholdStart[] =
2217     "overscroll.minimum_threshold_start";
2218 const char kOverscrollMinimumThresholdStartTouchpad[] =
2219     "overscroll.minimum_threshold_start_touchpad";
2220 const char kOverscrollVerticalThresholdStart[] =
2221     "overscroll.vertical_threshold_start";
2222 const char kOverscrollHorizontalResistThreshold[] =
2223     "overscroll.horizontal_resist_threshold";
2224 const char kOverscrollVerticalResistThreshold[] =
2225     "overscroll.vertical_resist_threshold";
2226 #endif
2227 
2228 // Counts how many more times the 'profile on a network share' warning should be
2229 // shown to the user before the next silence period.
2230 const char kNetworkProfileWarningsLeft[] = "network_profile.warnings_left";
2231 // Tracks the time of the last shown warning. Used to reset
2232 // |network_profile.warnings_left| after a silence period.
2233 const char kNetworkProfileLastWarningTime[] =
2234     "network_profile.last_warning_time";
2235 
2236 #if defined(OS_CHROMEOS)
2237 // The RLZ brand code, if enabled.
2238 const char kRLZBrand[] = "rlz.brand";
2239 // Whether RLZ pings are disabled.
2240 const char kRLZDisabled[] = "rlz.disabled";
2241 #endif
2242 
2243 #if defined(ENABLE_APP_LIST)
2244 // The directory in user data dir that contains the profile to be used with the
2245 // app launcher.
2246 const char kAppListProfile[] = "app_list.profile";
2247 
2248 // The number of times the app launcher was launched since last ping and
2249 // the time of the last ping.
2250 const char kAppListLaunchCount[] = "app_list.launch_count";
2251 const char kLastAppListLaunchPing[] = "app_list.last_launch_ping";
2252 
2253 // The number of times the an app was launched from the app launcher since last
2254 // ping and the time of the last ping.
2255 const char kAppListAppLaunchCount[] = "app_list.app_launch_count";
2256 const char kLastAppListAppLaunchPing[] = "app_list.last_app_launch_ping";
2257 
2258 // A boolean that tracks whether the user has ever enabled the app launcher.
2259 const char kAppLauncherHasBeenEnabled[] =
2260     "apps.app_launcher.has_been_enabled";
2261 
2262 // An enum indicating how the app launcher was enabled. E.g., via webstore, app
2263 // install, command line, etc. For UMA.
2264 const char kAppListEnableMethod[] = "app_list.how_enabled";
2265 
2266 // The time that the app launcher was enabled. Cleared when UMA is recorded.
2267 const char kAppListEnableTime[] = "app_list.when_enabled";
2268 
2269 // TODO(calamity): remove this pref since app launcher will always be
2270 // installed.
2271 // Local state caching knowledge of whether the app launcher is installed.
2272 const char kAppLauncherIsEnabled[] =
2273     "apps.app_launcher.should_show_apps_page";
2274 
2275 // Integer representing the version of the app launcher shortcut installed on
2276 // the system. Incremented, e.g., when embedded icons change.
2277 const char kAppLauncherShortcutVersion[] = "apps.app_launcher.shortcut_version";
2278 
2279 // A boolean identifying if we should show the app launcher promo or not.
2280 const char kShowAppLauncherPromo[] = "app_launcher.show_promo";
2281 
2282 // A dictionary that tracks the Drive app to Chrome app mapping. The key is
2283 // a Drive app id and the value is the corresponding Chrome app id. The pref
2284 // is unsynable and used to track local mappings only.
2285 const char kAppLauncherDriveAppMapping[] =
2286     "apps.app_launcher.drive_app_mapping";
2287 #endif
2288 
2289 // If set, the user requested to launch the app with this extension id while
2290 // in Metro mode, and then relaunched to Desktop mode to start it.
2291 const char kAppLaunchForMetroRestart[] = "apps.app_launch_for_metro_restart";
2292 
2293 // Set with |kAppLaunchForMetroRestart|, the profile whose loading triggers
2294 // launch of the specified app when restarting Chrome in desktop mode.
2295 const char kAppLaunchForMetroRestartProfile[] =
2296     "apps.app_launch_for_metro_restart_profile";
2297 
2298 // An integer that is incremented whenever changes are made to app shortcuts.
2299 // Increasing this causes all app shortcuts to be recreated.
2300 const char kAppShortcutsVersion[] = "apps.shortcuts_version";
2301 
2302 // How often the bubble has been shown.
2303 extern const char kModuleConflictBubbleShown[] = "module_conflict.bubble_shown";
2304 
2305 // A string pref for storing the salt used to compute the pepper device ID.
2306 const char kDRMSalt[] = "settings.privacy.drm_salt";
2307 // A boolean pref that enables the (private) pepper GetDeviceID() call and
2308 // enables the use of remote attestation for content protection.
2309 const char kEnableDRM[] = "settings.privacy.drm_enabled";
2310 
2311 // An integer per-profile pref that signals if the watchdog extension is
2312 // installed and active. We need to know if the watchdog extension active for
2313 // ActivityLog initialization before the extension system is initialized.
2314 const char kWatchdogExtensionActive[] =
2315     "profile.extensions.activity_log.num_consumers_active";
2316 // The old version was a bool.
2317 const char kWatchdogExtensionActiveOld[] =
2318     "profile.extensions.activity_log.watchdog_extension_active";
2319 
2320 #if defined(OS_ANDROID)
2321 // A list of partner bookmark rename/remove mappings.
2322 // Each list item is a dictionary containing a "url", a "provider_title" and
2323 // "mapped_title" entries, detailing the bookmark target URL (if any), the title
2324 // given by the PartnerBookmarksProvider and either the user-visible renamed
2325 // title or an empty string if the bookmark node was removed.
2326 const char kPartnerBookmarkMappings[] = "partnerbookmarks.mappings";
2327 #endif
2328 
2329 // Whether DNS Quick Check is disabled in proxy resolution.
2330 const char kQuickCheckEnabled[] = "proxy.quick_check_enabled";
2331 
2332 // Whether Guest Mode is enabled within the browser.
2333 const char kBrowserGuestModeEnabled[] = "profile.browser_guest_enabled";
2334 
2335 // Whether Adding a new Person is enabled within the user manager.
2336 const char kBrowserAddPersonEnabled[] = "profile.add_person_enabled";
2337 
2338 // A dictionary that maps user id to hardlock state.
2339 const char kEasyUnlockHardlockState[] = "easy_unlock.hardlock_state";
2340 
2341 }  // namespace prefs
2342