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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "chrome/common/chrome_switches.h"
6 
7 #include "base/base_switches.h"
8 #include "base/command_line.h"
9 
10 namespace switches {
11 
12 // -----------------------------------------------------------------------------
13 // Can't find the switch you are looking for? Try looking in:
14 // ash/ash_switches.cc
15 // base/base_switches.cc
16 // chromeos/chromeos_switches.cc
17 // etc.
18 //
19 // When commenting your switch, please use the same voice as surrounding
20 // comments. Imagine "This switch..." at the beginning of the phrase, and it'll
21 // all work out.
22 // -----------------------------------------------------------------------------
23 
24 // Allows third-party content included on a page to prompt for a HTTP basic
25 // auth username/password pair.
26 const char kAllowCrossOriginAuthPrompt[]    = "allow-cross-origin-auth-prompt";
27 
28 // On ChromeOS, file:// access is disabled except for certain whitelisted
29 // directories. This switch re-enables file:// for testing.
30 const char kAllowFileAccess[]               = "allow-file-access";
31 
32 // Allow non-secure origins to use the screen capture API and the desktopCapture
33 // extension API.
34 const char kAllowHttpScreenCapture[] = "allow-http-screen-capture";
35 
36 // Specifies comma-separated list of extension ids or hosts to grant
37 // access to CRX file system APIs.
38 const char kAllowNaClCrxFsAPI[]             = "allow-nacl-crxfs-api";
39 
40 // Specifies comma-separated list of extension ids or hosts to grant
41 // access to file handle APIs.
42 const char kAllowNaClFileHandleAPI[]        = "allow-nacl-file-handle-api";
43 
44 // Specifies comma-separated list of extension ids or hosts to grant
45 // access to TCP/UDP socket APIs.
46 const char kAllowNaClSocketAPI[]            = "allow-nacl-socket-api";
47 
48 // Don't block outdated plugins.
49 const char kAllowOutdatedPlugins[]          = "allow-outdated-plugins";
50 
51 // By default, an https page cannot run JavaScript, CSS or plug-ins from http
52 // URLs. This provides an override to get the old insecure behavior.
53 const char kAllowRunningInsecureContent[]   = "allow-running-insecure-content";
54 
55 // Prevents Chrome from requiring authorization to run certain widely installed
56 // but less commonly used plug-ins.
57 const char kAlwaysAuthorizePlugins[]        = "always-authorize-plugins";
58 
59 // Specifies that the extension-app with the specified id should be launched
60 // according to its configuration.
61 const char kAppId[]                         = "app-id";
62 
63 // Specifies that the associated value should be launched in "application"
64 // mode.
65 const char kApp[]                           = "app";
66 
67 // Specifies an URL to use for app list start page.
68 const char kAppListStartPageURL[]           = "app-list-start-page-url";
69 
70 // Overrides the apps checkout URL, which is used to determine when to expose
71 // some private APIs.
72 const char kAppsCheckoutURL[]               = "apps-checkout-url";
73 
74 // The URL that the webstore APIs download extensions from.
75 // Note: the URL must contain one '%s' for the extension ID.
76 const char kAppsGalleryDownloadURL[]        = "apps-gallery-download-url";
77 
78 // A setting to cause extension/app installs from the webstore skip the normal
79 // confirmation dialog. A value of 'accept' means to always act as if the dialog
80 // was accepted, and 'cancel' means to always act as if the dialog was
81 // cancelled.
82 //
83 // TODO (rdevlin.cronin): Remove this.
84 // This is not a good use of a command-line flag, as it would be equally
85 // effective as a global boolean. Additionally, this opens up a dangerous way
86 // for attackers to append a commandline flag and circumvent all user action for
87 // installing an extension.
88 const char kAppsGalleryInstallAutoConfirmForTests[] =
89     "apps-gallery-install-auto-confirm-for-tests";
90 
91 // The URL to use for the gallery link in the app launcher.
92 const char kAppsGalleryURL[]                = "apps-gallery-url";
93 
94 // The update url used by gallery/webstore extensions.
95 const char kAppsGalleryUpdateURL[]          = "apps-gallery-update-url";
96 
97 // Value of GAIA auth code for --force-app-mode.
98 const char kAppModeAuthCode[]               = "app-mode-auth-code";
99 
100 // Value of OAuth2 refresh token for --force-app-mode.
101 const char kAppModeOAuth2Token[]            = "app-mode-oauth-token";
102 
103 // Enables overriding the path for the default authentication extension.
104 const char kAuthExtensionPath[]             = "auth-ext-path";
105 
106 // Whitelist of servers that Negotiate will generate delegated Kerberos tickets
107 // for.
108 const char kAuthNegotiateDelegateWhitelist[] =
109     "auth-negotiate-delegate-whitelist";
110 
111 // HTTP authentication schemes to enable. This is a comma-separated list of
112 // authentication schemes (basic, digest, ntlm, and negotiate). By default all
113 // schemes are enabled. The primary use of this command line flag is to help
114 // triage authentication-related issues reported by end-users.
115 const char kAuthSchemes[]                   = "auth-schemes";
116 
117 // Whitelist of servers which NTLM and Negotiate can automatically authenticate
118 // with using the default credentials of the currently logged in user.
119 const char kAuthServerWhitelist[]           = "auth-server-whitelist";
120 
121 // A flag that is used to tell Chrome that it was launched automatically at
122 // computer startup and not by some user action.
123 const char kAutoLaunchAtStartup[]           = "auto-launch-at-startup";
124 
125 // Certificate Transparency: Uses the provided log(s) for checking Signed
126 // Certificate Timestamps provided with certificates.
127 // The switch's value is:
128 //   log_description:log_key,log_description:log_key,...
129 // where
130 //   log_description is a textual description of the log.
131 //   log_key is a Base64'd DER-encoded SubjectPublicKeyInfo of the log's
132 //   public key.
133 // Multiple logs can be specified by repeating description:key pairs,
134 // separated by a comma.
135 const char kCertificateTransparencyLog[] =
136     "certificate-transparency-log";
137 
138 // How often (in seconds) to check for updates. Should only be used for testing
139 // purposes.
140 const char kCheckForUpdateIntervalSec[]     = "check-for-update-interval";
141 
142 // Checks the cloud print connector policy, informing the service process if
143 // the policy is set to disallow the connector, then quits.
144 const char kCheckCloudPrintConnectorPolicy[] =
145     "check-cloud-print-connector-policy";
146 
147 // Comma-separated list of SSL cipher suites to disable.
148 const char kCipherSuiteBlacklist[]          = "cipher-suite-blacklist";
149 
150 // Tells chrome to display the cloud print dialog and upload the specified file
151 // for printing.
152 const char kCloudPrintFile[]                = "cloud-print-file";
153 
154 // Specifies the mime type to be used when uploading data from the file
155 // referenced by cloud-print-file. Defaults to "application/pdf" if
156 // unspecified.
157 const char kCloudPrintFileType[]            = "cloud-print-file-type";
158 
159 // Used with kCloudPrintFile to specify a JSON print ticket for the resulting
160 // print job. Defaults to null if unspecified.
161 const char kCloudPrintPrintTicket[]         = "cloud-print-print-ticket";
162 
163 // Used with kCloudPrintFile to specify a title for the resulting print job.
164 const char kCloudPrintJobTitle[]            = "cloud-print-job-title";
165 
166 // Setup cloud print proxy for provided printers. This does not start
167 // service or register proxy for autostart.
168 const char kCloudPrintSetupProxy[]          = "cloud-print-setup-proxy";
169 
170 // Comma-separated options to troubleshoot the component updater. Only valid
171 // for the browser process.
172 const char kComponentUpdater[]              = "component-updater";
173 
174 // Comma-separated list of BrowserThreads that cause browser process to crash
175 // if the given browser thread is not responsive. UI,IO,DB,FILE,CACHE are the
176 // list of BrowserThreads that are supported.
177 //
178 // For example:
179 //    --crash-on-hang-threads=UI:3:18,IO:3:18 --> Crash the browser if UI or IO
180 //      is not responsive for 18 seconds and the number of browser threads that
181 //      are responding is less than or equal to 3.
182 const char kCrashOnHangThreads[]            = "crash-on-hang-threads";
183 
184 // Some platforms like ChromeOS default to empty desktop.
185 // Browser tests may need to add this switch so that at least one browser
186 // instance is created on startup.
187 // TODO(nkostylev): Investigate if this switch could be removed.
188 // (http://crbug.com/148675)
189 const char kCreateBrowserOnStartupForTests[] =
190     "create-browser-on-startup-for-tests";
191 
192 // Enables a frame context menu item that toggles the frame in and out of glass
193 // mode (Windows Vista and up only).
194 const char kDebugEnableFrameToggle[]        = "debug-enable-frame-toggle";
195 
196 // Adds debugging entries such as Inspect Element to context menus of packed
197 // apps.
198 const char kDebugPackedApps[]               = "debug-packed-apps";
199 
200 // Triggers a plethora of diagnostic modes.
201 const char kDiagnostics[]                   = "diagnostics";
202 
203 // Sets the output format for diagnostic modes enabled by diagnostics flag.
204 const char kDiagnosticsFormat[]             = "diagnostics-format";
205 
206 // Tells the diagnostics mode to do the requested recovery step(s).
207 const char kDiagnosticsRecovery[]           = "diagnostics-recovery";
208 
209 // Disables the experimental Answers in Suggest feature.
210 const char kDisableAnswersInSuggest[]       = "disable-answers-in-suggest";
211 
212 // Disables the experimental asynchronous DNS client.
213 const char kDisableAsyncDns[]               = "disable-async-dns";
214 
215 // Disables CNAME lookup of the host when generating the Kerberos SPN for a
216 // Negotiate challenge. See HttpAuthHandlerNegotiate::CreateSPN for more
217 // background.
218 const char kDisableAuthNegotiateCnameLookup[] =
219     "disable-auth-negotiate-cname-lookup";
220 
221 // Disable several subsystems which run network requests in the background.
222 // This is for use when doing network performance testing to avoid noise in the
223 // measurements.
224 const char kDisableBackgroundNetworking[]   = "disable-background-networking";
225 
226 // Disables the bundled PPAPI version of Flash.
227 const char kDisableBundledPpapiFlash[]      = "disable-bundled-ppapi-flash";
228 
229 // Disables the client-side phishing detection feature. Note that even if
230 // client-side phishing detection is enabled, it will only be active if the
231 // user has opted in to UMA stats and SafeBrowsing is enabled in the
232 // preferences.
233 const char kDisableClientSidePhishingDetection[] =
234     "disable-client-side-phishing-detection";
235 
236 // Disable default component extensions with background pages - useful for
237 // performance tests where these pages may interfere with perf results.
238 const char kDisableComponentExtensionsWithBackgroundPages[] =
239     "disable-component-extensions-with-background-pages";
240 
241 const char kDisableComponentUpdate[]        = "disable-component-update";
242 
243 // Disables establishing certificate revocation information by downloading a
244 // set of CRLs rather than performing on-line checks.
245 const char kDisableCRLSets[]                = "disable-crl-sets";
246 
247 // Disables installation of default apps on first run. This is used during
248 // automated testing.
249 const char kDisableDefaultApps[]            = "disable-default-apps";
250 
251 // Disables device discovery.
252 const char kDisableDeviceDiscovery[]        = "disable-device-discovery";
253 
254 // Disables device discovery notifications.
255 const char kDisableDeviceDiscoveryNotifications[] =
256     "disable-device-discovery-notifications";
257 
258 // Disables Domain Reliability Monitoring.
259 const char kDisableDomainReliability[]      = "disable-domain-reliability";
260 
261 // Disable extensions.
262 const char kDisableExtensions[]             = "disable-extensions";
263 
264 // Disable checking for user opt-in for extensions that want to inject script
265 // into file URLs (ie, always allow it). This is used during automated testing.
266 const char kDisableExtensionsFileAccessCheck[] =
267     "disable-extensions-file-access-check";
268 
269 // Disable the net::URLRequestThrottlerManager functionality for
270 // requests originating from extensions.
271 const char kDisableExtensionsHttpThrottling[] =
272     "disable-extensions-http-throttling";
273 
274 // Disables embedding of Flash fullscreen widgets within the browser window.
275 // This restores the old code paths where Flash fullscreen would display in its
276 // own separate, always-on-top window.  In addition, this disables the new logic
277 // which would prevent fullscreening the browser window during screen-capture of
278 // a tab.  http://crbug.com/256870 and http://crbug.com/290403
279 const char kDisableFullscreenWithinTab[] = "disable-fullscreen-within-tab";
280 
281 // Don't resolve hostnames to IPv6 addresses. This can be used when debugging
282 // issues relating to IPv6, but shouldn't otherwise be needed. Be sure to file
283 // bugs if something isn't working properly in the presence of IPv6. This flag
284 // can be overidden by the "enable-ipv6" flag.
285 const char kDisableIPv6[]                   = "disable-ipv6";
286 
287 // Disable the behavior that the second click on a launcher item (the click when
288 // the item is already active) minimizes the item.
289 const char kDisableMinimizeOnSecondLauncherItemClick[] =
290     "disable-minimize-on-second-launcher-item-click";
291 
292 // Disables the menu on the NTP for accessing sessions from other devices.
293 const char kDisableNTPOtherSessionsMenu[]   = "disable-ntp-other-sessions-menu";
294 
295 // Disable auto-reload of error pages if offline.
296 const char kDisableOfflineAutoReload[]       = "disable-offline-auto-reload";
297 
298 // Disable only auto-reloading error pages when the tab is visible.
299 const char kDisableOfflineAutoReloadVisibleOnly[] =
300     "disable-offline-auto-reload-visible-only";
301 
302 // Disable the origin chip.
303 const char kDisableOriginChip[]             = "disable-origin-chip";
304 
305 // Disable the setting to prompt the user for their OS account password before
306 // revealing plaintext passwords in the password manager.
307 const char kDisablePasswordManagerReauthentication[] =
308     "disable-password-manager-reauthentication";
309 
310 // Enables searching for people from the apps list search box.
311 const char kDisablePeopleSearch[]           = "disable-people-search";
312 
313 // Don't use bubbles for content permissions requests instead of infobars.
314 const char kDisablePermissionsBubbles[]      = "disable-permissions-bubbles";
315 
316 // Disable pop-up blocking.
317 const char kDisablePopupBlocking[]          = "disable-popup-blocking";
318 
319 // Disables the usage of Portable Native Client.
320 const char kDisablePnacl[]                  = "disable-pnacl";
321 
322 // Disable speculative TCP/IP preconnection.
323 const char kDisablePreconnect[]             = "disable-preconnect";
324 
325 // Disable prerendering based on local browsing history.
326 const char kDisablePrerenderLocalPredictor[] =
327     "disable-prerender-local-predictor";
328 
329 // Disables print preview (For testing, and for users who don't like us. :[ )
330 const char kDisablePrintPreview[]           = "disable-print-preview";
331 
332 // Normally when the user attempts to navigate to a page that was the result of
333 // a post we prompt to make sure they want to. This switch may be used to
334 // disable that check. This switch is used during automated testing.
335 const char kDisablePromptOnRepost[]         = "disable-prompt-on-repost";
336 
337 // Disables support for the QUIC protocol.
338 const char kDisableQuic[]                   = "disable-quic";
339 
340 // Disables support for the HTTPS over QUIC protocol.  This is a temporary
341 // testing flag.  This only has an effect if QUIC protocol is enabled.
342 const char kDisableQuicHttps[]              = "disable-quic-https";
343 
344 // Disable use of pacing of QUIC packets.
345 // This only has an effect if QUIC protocol is enabled.
346 const char kDisableQuicPacing[]             = "disable-quic-pacing";
347 
348 // Disable use of Chromium's port selection for the ephemeral port via bind().
349 // This only has an effect if QUIC protocol is enabled.
350 const char kDisableQuicPortSelection[]      = "disable-quic-port-selection";
351 
352 // Disable use of time-base loss detection for QUIC connections.
353 // This only has an effect if QUIC protocol is enabled.
354 const char kDisableQuicTimeBasedLossDetection[] =
355     "disable-quic-time-based-loss-detection";
356 
357 // Prevents the save password bubble from being enabled.
358 const char kDisableSavePasswordBubble[] = "disable-save-password-bubble";
359 
360 // Disables throttling prints initiated by scripts.
361 const char kDisableScriptedPrintThrottling[] =
362     "disable-scripted-print-throttling";
363 
364 // Disables the "search button in omnibox" experiment.
365 const char kDisableSearchButtonInOmnibox[]  =
366     "disable-search-button-in-omnibox";
367 
368 // Disables using bubbles for session restore request.
369 const char kDisableSessionCrashedBubble[] = "disable-session-crashed-bubble";
370 
371 // Disable SPDY/3.1. This is a temporary testing flag.
372 const char kDisableSpdy31[]                 = "disable-spdy31";
373 
374 // Disables the suggestions service.
375 const char kDisableSuggestionsService[]     = "disable-suggestions-service";
376 
377 // Disables syncing browser data to a Google Account.
378 const char kDisableSync[]                   = "disable-sync";
379 
380 // Disable synced notifications.
381 const char kDisableSyncSyncedNotifications[] =
382     "disable-sync-synced-notifications";
383 
384 // Disables syncing one or more sync data types that are on by default.
385 // See sync/internal_api/public/base/model_type.h for possible types. Types
386 // should be comma separated, and follow the naming convention for string
387 // representation of model types, e.g.:
388 // --disable-synctypes='Typed URLs, Bookmarks, Autofill Profiles'
389 const char kDisableSyncTypes[]              = "disable-sync-types";
390 
391 // Disables the backend service for web resources.
392 const char kDisableWebResources[]           = "disable-web-resources";
393 
394 // Some tests seem to require the application to close when the last
395 // browser window is closed. Thus, we need a switch to force this behavior
396 // for ChromeOS Aura, disable "zero window mode".
397 // TODO(pkotwicz): Investigate if this bug can be removed.
398 // (http://crbug.com/119175)
399 const char kDisableZeroBrowsersOpenForTests[] =
400     "disable-zero-browsers-open-for-tests";
401 
402 // Use a specific disk cache location, rather than one derived from the
403 // UserDatadir.
404 const char kDiskCacheDir[]                  = "disk-cache-dir";
405 
406 // Forces the maximum disk space to be used by the disk cache, in bytes.
407 const char kDiskCacheSize[]                 = "disk-cache-size";
408 
409 const char kDnsLogDetails[]                 = "dns-log-details";
410 
411 // Disables prefetching of DNS information.
412 const char kDnsPrefetchDisable[]            = "dns-prefetch-disable";
413 
414 // Requests that a running browser process dump its collected histograms to a
415 // given file. The file is overwritten if it exists.
416 const char kDumpBrowserHistograms[]         = "dump-browser-histograms";
417 
418 // Overrides the path of Easy Unlock component app.
419 extern const char kEasyUnlockAppPath[]      = "easy-unlock-app-path";
420 
421 // Enables the notifications for the custodian of a supervised user when the
422 // supervised user sends an access request.
423 extern const char kEnableAccessRequestNotifications[] =
424     "enable-access-request-notifications";
425 
426 // Enables the experimental Answers in Suggest feature.
427 const char kEnableAnswersInSuggest[]        = "enable-answers-in-suggest";
428 
429 // If set, the app list will be enabled as if enabled from CWS.
430 const char kEnableAppList[]                 = "enable-app-list";
431 
432 // Enables the <window-controls> tag in platform apps.
433 const char kEnableAppWindowControls[]       = "enable-app-window-controls";
434 
435 // Enable OS integration for Chrome app file associations.
436 const char kEnableAppsFileAssociations[]    = "enable-apps-file-associations";
437 
438 // Show apps windows after the first paint. Windows will be shown significantly
439 // later for heavy apps loading resources synchronously but it will be
440 // insignificant for apps that load most of their resources asynchronously.
441 const char kEnableAppsShowOnFirstPaint[]    = "enable-apps-show-on-first-paint";
442 
443 // Enables the experimental asynchronous DNS client.
444 const char kEnableAsyncDns[]                = "enable-async-dns";
445 
446 // Enables the inclusion of non-standard ports when generating the Kerberos SPN
447 // in response to a Negotiate challenge. See
448 // HttpAuthHandlerNegotiate::CreateSPN for more background.
449 const char kEnableAuthNegotiatePort[]       = "enable-auth-negotiate-port";
450 
451 // Enables the benchmarking extensions.
452 const char kEnableBenchmarking[]            = "enable-benchmarking";
453 
454 // Enables client hints, which adds hints about browser state to HTTP requests.
455 const char kEnableClientHints[]             = "enable-client-hints";
456 
457 // Enables the multi-level undo system for bookmarks.
458 const char kEnableBookmarkUndo[]            = "enable-bookmark-undo";
459 
460 // This applies only when the process type is "service". Enables the Cloud
461 // Print Proxy component within the service process.
462 const char kEnableCloudPrintProxy[]         = "enable-cloud-print-proxy";
463 
464 // If true devtools experimental settings are enabled.
465 const char kEnableDevToolsExperiments[]     = "enable-devtools-experiments";
466 
467 // Enable device discovery notifications.
468 const char kEnableDeviceDiscoveryNotifications[] =
469     "enable-device-discovery-notifications";
470 
471 // Enables the DOM distiller.
472 const char kEnableDomDistiller[]               = "enable-dom-distiller";
473 
474 // Enables Domain Reliability Monitoring.
475 const char kEnableDomainReliability[]          = "enable-domain-reliability";
476 
477 // Enable Enhanced Bookmarks.
478 const char kEnhancedBookmarksExperiment[] = "enhanced-bookmarks-experiment";
479 
480 // Enables Easy Unlock to be set up and used.
481 extern const char kEnableEasyUnlock[] = "enable-easy-unlock";
482 
483 // Enables experimentation with ephemeral apps, which are launched without
484 // installing in Chrome.
485 const char kEnableEphemeralApps[]           = "enable-ephemeral-apps";
486 
487 // Enables logging for extension activity.
488 const char kEnableExtensionActivityLogging[] =
489     "enable-extension-activity-logging";
490 
491 const char kEnableExtensionActivityLogTesting[] =
492     "enable-extension-activity-log-testing";
493 
494 // Enable the fast unload controller, which speeds up tab/window close by
495 // running a tab's onunload js handler independently of the GUI -
496 // crbug.com/142458 .
497 const char kEnableFastUnload[]         = "enable-fast-unload";
498 
499 // Enables IPv6 support, even if probes suggest that it may not be fully
500 // supported. Some probes may require internet connections, and this flag will
501 // allow support independent of application testing. This flag overrides
502 // "disable-ipv6" which appears elswhere in this file.
503 const char kEnableIPv6[]                    = "enable-ipv6";
504 
505 // Enables experimentation with launching ephemeral apps via hyperlinks.
506 const char kEnableLinkableEphemeralApps[]   = "enable-linkable-ephemeral-apps";
507 
508 // Runs the Native Client inside the renderer process and enables GPU plugin
509 // (internally adds lEnableGpuPlugin to the command line).
510 const char kEnableNaCl[]                    = "enable-nacl";
511 
512 // Enables the network-related benchmarking extensions.
513 const char kEnableNetBenchmarking[]         = "enable-net-benchmarking";
514 
515 // Enables NPN with HTTP. It means NPN is enabled but SPDY won't be used.
516 // HTTP is still used for all requests.
517 const char kEnableNpnHttpOnly[]             = "enable-npn-http";
518 
519 // Enable auto-reload of error pages if offline.
520 const char kEnableOfflineAutoReload[]       = "enable-offline-auto-reload";
521 
522 // Only auto-reload error pages when the tab is visible.
523 const char kEnableOfflineAutoReloadVisibleOnly[] =
524     "enable-offline-auto-reload-visible-only";
525 
526 // Enable/Disable offering a "Load stale copy" option to the user if offline.
527 const char kEnableOfflineLoadStaleCache[]   = "enable-offline-load-stale-cache";
528 const char kDisableOfflineLoadStaleCache[]  =
529     "disable-offline-load-stale-cache";
530 
531 // Controls which branch of the origin chip in location bar experiment is
532 // enabled.
533 //
534 // We're using independent flags here (as opposed to a common flag with
535 // different values) to be able to enable/disable the entire experience
536 // associated with this feature server-side from the FieldTrial (the complete
537 // experience includes other flag changes as well). It is not currently possible
538 // to do that with "flag=value" flags.
539 const char kEnableOriginChipAlways[]        = "enable-origin-chip-always";
540 const char kEnableOriginChipOnSrp[]         = "enable-origin-chip-on-srp";
541 
542 // Enables panels (always on-top docked pop-up windows).
543 const char kEnablePanels[]                  = "enable-panels";
544 
545 // Enables showing unregistered printers in print preview
546 const char kEnablePrintPreviewRegisterPromos[] =
547     "enable-print-preview-register-promos";
548 
549 // Enable Privet storage.
550 const char kEnablePrivetStorage[]           = "enable-privet-storage";
551 
552 // Enables tracking of tasks in profiler for viewing via about:profiler.
553 // To predominantly disable tracking (profiling), use the command line switch:
554 // --enable-profiling=0
555 // Some tracking will still take place at startup, but it will be turned off
556 // during chrome_browser_main.
557 const char kEnableProfiling[]               = "enable-profiling";
558 
559 // Enables showing a prominent UI for initiating the URL app creation flow.
560 const char kEnableProminentURLAppFlow[]     = "enable-prominent-url-app-flow";
561 
562 // Enables query in the omnibox.
563 const char kEnableQueryExtraction[]         = "enable-query-extraction";
564 
565 // Enables support for the QUIC protocol.  This is a temporary testing flag.
566 const char kEnableQuic[]                    = "enable-quic";
567 
568 // Enables support for the HTTPS over QUIC protocol.  This is a temporary
569 // testing flag.  This only has an effect if QUIC protocol is enabled.
570 const char kEnableQuicHttps[]               = "enable-quic-https";
571 
572 // Disable use of pacing of QUIC packets.
573 // This only has an effect if QUIC protocol is enabled.
574 const char kEnableQuicPacing[]              = "enable-quic-pacing";
575 
576 // Enable use of Chromium's port selection for the ephemeral port via bind().
577 // This only has an effect if QUIC protocol is enabled.
578 const char kEnableQuicPortSelection[]       = "enable-quic-port-selection";
579 
580 // Enables use of time-base loss detection for QUIC connections.
581 // This only has an effect if QUIC protocol is enabled.
582 const char kEnableQuicTimeBasedLossDetection[] =
583     "enable-quic-time-based-loss-detection";
584 
585 // Enables save password prompt bubble.
586 const char kEnableSavePasswordBubble[]      = "enable-save-password-bubble";
587 
588 // Enables SDCH for https schemes.
589 const char kEnableSdchOverHttps[] = "enable-sdch-over-https";
590 
591 // Controls which branch of the "search button in omnibox" experiment is
592 // enabled.
593 //
594 // We're using independent flags here (as opposed to a common flag with
595 // different values) to be able to enable/disable the entire experience
596 // associated with this feature server-side from the FieldTrial (the complete
597 // experience includes other flag changes as well). It is not currently possible
598 // to do that with "flag=value" flags.
599 const char kEnableSearchButtonInOmniboxAlways[] =
600     "enable-search-button-in-omnibox-always";
601 const char kEnableSearchButtonInOmniboxForStr[] =
602     "enable-search-button-in-omnibox-for-str";
603 const char kEnableSearchButtonInOmniboxForStrOrIip[] =
604     "enable-search-button-in-omnibox-for-str-or-iip";
605 
606 // Enables using bubbles for session restore request instead of infobars.
607 const char kEnableSessionCrashedBubble[] = "enable-session-crashed-bubble";
608 
609 // Enables the deprecated window.showModalDialog API. This is slated for
610 // removal.
611 const char kEnableShowModalDialog[] = "enable-show-modal-dialog";
612 
613 // Enable or disable settings in a separate browser window per profile
614 // (see SettingsWindowEnabled() below).
615 const char kEnableSettingsWindow[]           = "enable-settings-window";
616 const char kDisableSettingsWindow[]          = "disable-settings-window";
617 
618 // Enable SPDY/4, aka HTTP/2. This is a temporary testing flag.
619 const char kEnableSpdy4[]                   = "enable-spdy4";
620 
621 // Enables auto correction for misspelled words.
622 const char kEnableSpellingAutoCorrect[]     = "enable-spelling-auto-correct";
623 
624 // Enables participation in the field trial for user feedback to spelling
625 // service.
626 const char kEnableSpellingFeedbackFieldTrial[] =
627     "enable-spelling-feedback-field-trial";
628 
629 // Enables an experimental hosted app experience.
630 const char kEnableStreamlinedHostedApps[]   = "enable-streamlined-hosted-apps";
631 
632 // Enables the suggestions service.
633 const char kEnableSuggestionsService[]      = "enable-suggestions-service";
634 
635 // Enables synced notifications.
636 const char kEnableSyncSyncedNotifications[] =
637     "enable-sync-synced-notifications";
638 
639 // Enables synced articles.
640 const char kEnableSyncArticles[]            = "enable-sync-articles";
641 
642 // Enables fanciful thumbnail processing. Used with NTP for
643 // instant-extended-api, where thumbnails are generally smaller.
644 const char kEnableThumbnailRetargeting[]   = "enable-thumbnail-retargeting";
645 
646 // Enables Translate experimental new UX which replaces the infobar.
647 const char kEnableTranslateNewUX[]         = "enable-translate-new-ux";
648 
649 // Enables Alternate-Protocol when the port is user controlled (> 1024).
650 const char kEnableUserAlternateProtocolPorts[] =
651     "enable-user-controlled-alternate-protocol-ports";
652 
653 // Spawns threads to watch for excessive delays in specified message loops.
654 // User should set breakpoints on Alarm() to examine problematic thread.
655 //
656 // Usage:   -enable-watchdog=[ui][io]
657 //
658 // Order of the listed sub-arguments does not matter.
659 const char kEnableWatchdog[]                = "enable-watchdog";
660 
661 // Uses WebSocket over SPDY.
662 const char kEnableWebSocketOverSpdy[]       = "enable-websocket-over-spdy";
663 
664 // Explicitly allows additional ports using a comma-separated list of port
665 // numbers.
666 const char kExplicitlyAllowedPorts[]        = "explicitly-allowed-ports";
667 
668 // Turns on extension install verification if it would not otherwise have been
669 // turned on.
670 const char kExtensionsInstallVerification[] = "extensions-install-verification";
671 
672 // Specifies a comma-separated list of extension ids that should be forced to
673 // be treated as not from the webstore when doing install verification.
674 const char kExtensionsNotWebstore[] = "extensions-not-webstore";
675 
676 // Frequency in seconds for Extensions auto-update.
677 const char kExtensionsUpdateFrequency[]     = "extensions-update-frequency";
678 
679 // Additional query params to insert in the search and instant URLs.  Useful for
680 // testing.
681 const char kExtraSearchQueryParams[]        = "extra-search-query-params";
682 
683 // Fakes the channel of the browser for purposes of Variations filtering. This
684 // is to be used for testing only. Possible values are "stable", "beta", "dev"
685 // and "canary". Note that this only applies if the browser's reported channel
686 // is UNKNOWN.
687 const char kFakeVariationsChannel[]         = "fake-variations-channel";
688 
689 // If this flag is present then this command line is being delegated to an
690 // already running chrome process via the fast path, ie: before chrome.dll is
691 // loaded. It is useful to tell the difference for tracking purposes.
692 const char kFastStart[]            = "fast-start";
693 
694 // These two flags are added around the switches about:flags adds to the
695 // command line. This is useful to see which switches were added by about:flags
696 // on about:version. They don't have any effect.
697 const char kFlagSwitchesBegin[]             = "flag-switches-begin";
698 const char kFlagSwitchesEnd[]               = "flag-switches-end";
699 
700 // Forces application mode. This hides certain system UI elements and forces
701 // the app to be installed if it hasn't been already.
702 const char kForceAppMode[]                  = "force-app-mode";
703 
704 // Displays the First Run experience when the browser is started, regardless of
705 // whether or not it's actually the First Run (this overrides kNoFirstRun).
706 const char kForceFirstRun[]                 = "force-first-run";
707 
708 // Forces additional Chrome Variation Ids that will be sent in X-Client-Data
709 // header, specified as a 64-bit encoded list of numeric experiment ids. Ids
710 // prefixed with the character "t" will be treated as Trigger Variation Ids.
711 const char kForceVariationIds[]             = "force-variation-ids";
712 
713 // Specifies a custom name for the GSSAPI library to load.
714 const char kGSSAPILibraryName[]             = "gssapi-library-name";
715 
716 // These flags show the man page on Linux. They are equivalent to each
717 // other.
718 const char kHelp[]                          = "help";
719 const char kHelpShort[]                     = "h";
720 
721 // Makes Windows happy by allowing it to show "Enable access to this program"
722 // checkbox in Add/Remove Programs->Set Program Access and Defaults. This only
723 // shows an error box because the only way to hide Chrome is by uninstalling
724 // it.
725 const char kHideIcons[]                     = "hide-icons";
726 
727 // Enables grouping websites by domain and filtering them by period.
728 const char kHistoryEnableGroupByDomain[]    = "enable-grouped-history";
729 
730 // Specifies which page will be displayed in newly-opened tabs. We need this
731 // for testing purposes so that the UI tests don't depend on what comes up for
732 // http://google.com.
733 const char kHomePage[]                      = "homepage";
734 
735 // Comma-separated list of rules that control how hostnames are mapped.
736 //
737 // For example:
738 //    "MAP * 127.0.0.1" --> Forces all hostnames to be mapped to 127.0.0.1
739 //    "MAP *.google.com proxy" --> Forces all google.com subdomains to be
740 //                                 resolved to "proxy".
741 //    "MAP test.com [::1]:77 --> Forces "test.com" to resolve to IPv6 loopback.
742 //                               Will also force the port of the resulting
743 //                               socket address to be 77.
744 //    "MAP * baz, EXCLUDE www.google.com" --> Remaps everything to "baz",
745 //                                            except for "www.google.com".
746 //
747 // These mappings apply to the endpoint host in a net::URLRequest (the TCP
748 // connect and host resolver in a direct connection, and the CONNECT in an http
749 // proxy connection, and the endpoint host in a SOCKS proxy connection).
750 const char kHostRules[]                     = "host-rules";
751 
752 // The maximum number of concurrent host resolve requests (i.e. DNS) to allow
753 // (not counting backup attempts which would also consume threads).
754 // --host-resolver-retry-attempts must be set to zero for this to be exact.
755 const char kHostResolverParallelism[]       = "host-resolver-parallelism";
756 
757 // The maximum number of retry attempts to resolve the host. Set this to zero
758 // to disable host resolver retry attempts.
759 const char kHostResolverRetryAttempts[]     = "host-resolver-retry-attempts";
760 
761 // Causes net::URLFetchers to ignore requests for SSL client certificates,
762 // causing them to attempt an unauthenticated SSL/TLS session. This is intended
763 // for use when testing various service URLs (eg: kPromoServerURL, kSbURLPrefix,
764 // kSyncServiceURL, etc)
765 const char kIgnoreUrlFetcherCertRequests[]  =
766     "ignore-urlfetcher-cert-requests";
767 
768 // Causes the browser to launch directly in incognito mode.
769 const char kIncognito[]                     = "incognito";
770 
771 // Causes Chrome to initiate an installation flow for the given app.
772 const char kInstallChromeApp[]              = "install-chrome-app";
773 
774 // Causes Chrome to attempt to get metadata from the webstore for the
775 // app/extension ID given, and then prompt the user to download and install it.
776 const char kInstallFromWebstore[]           = "install-from-webstore";
777 
778 // Marks a renderer as an Instant process.
779 const char kInstantProcess[]                = "instant-process";
780 
781 // Invalidation service should use GCM network channel even if experiment is not
782 // enabled.
783 const char kInvalidationUseGCMChannel[]     = "invalidation-use-gcm-channel";
784 
785 // Specifies the testcase used by the IPC fuzzer.
786 const char kIpcFuzzerTestcase[]             = "ipc-fuzzer-testcase";
787 
788 // Used for testing - keeps browser alive after last browser window closes.
789 const char kKeepAliveForTest[]              = "keep-alive-for-test";
790 
791 // Enable Kiosk mode.
792 const char kKioskMode[]                     = "kiosk";
793 
794 // Print automatically in kiosk mode. |kKioskMode| must be set as well.
795 // See http://crbug.com/31395.
796 const char kKioskModePrinting[]             = "kiosk-printing";
797 
798 // Use this server address ledger.
799 const char kLedgerServer[]                  = "ledger-server";
800 
801 // Use this tracing token for ledger.
802 const char kLedgerTracingToken[]            = "ledger-tracing-token";
803 
804 // Causes Chrome to attempt to get metadata from the webstore for the
805 // given item, and then prompt the user to download and install it.
806 const char kLimitedInstallFromWebstore[]    = "limited-install-from-webstore";
807 
808 // Comma-separated list of directories with component extensions to load.
809 const char kLoadComponentExtension[]        = "load-component-extension";
810 
811 // Loads an extension from the specified directory.
812 const char kLoadExtension[]                 = "load-extension";
813 
814 // Controls which version of the malware and phishing interstitials is shown.
815 const char kMalwareInterstitialV2[]         = "malware-interstitial-v2";
816 const char kMalwareInterstitialV3[]         = "malware-interstitial-v3";
817 const char kMalwareInterstitialV3Advice[]   = "malware-interstitial-v3-advice";
818 const char kMalwareInterstitialV3Social[]   = "malware-interstitial-v3-social";
819 const char kMalwareInterstitialV3NotRecommend[] =
820     "malware-interstitial-v3-not-recommend";
821 const char kMalwareInterstitialV3History[]  = "malware-interstitial-v3-history";
822 
823 // Makes Chrome default browser
824 const char kMakeDefaultBrowser[]            = "make-default-browser";
825 
826 // Sets the supervised user ID for any loaded or newly created profile to the
827 // given value. Pass an empty string to mark the profile as non-supervised.
828 // Used for testing.
829 const char kSupervisedUserId[]              = "managed-user-id";
830 
831 // Used to authenticate requests to the Sync service for supervised users.
832 // Setting this switch also causes Sync to be set up for a supervised user.
833 const char kSupervisedUserSyncToken[]       = "managed-user-sync-token";
834 
835 // Use to opt-in user into Finch experiment groups.
836 const char kManualEnhancedBookmarks[] = "manual-enhanced-bookmarks";
837 const char kManualEnhancedBookmarksOptout[] =
838     "manual-enhanced-bookmarks-optout";
839 
840 // Forces the maximum disk space to be used by the media cache, in bytes.
841 const char kMediaCacheSize[]                = "media-cache-size";
842 
843 // Enables histograming of tasks served by MessageLoop. See
844 // about:histograms/Loop for results, which show frequency of messages on each
845 // thread, including APC count, object signalling count, etc.
846 const char kMessageLoopHistogrammer[]       = "message-loop-histogrammer";
847 
848 // Enables the recording of metrics reports but disables reporting. In contrast
849 // to kDisableMetrics, this executes all the code that a normal client would
850 // use for reporting, except the report is dropped rather than sent to the
851 // server. This is useful for finding issues in the metrics code during UI and
852 // performance tests.
853 const char kMetricsRecordingOnly[]          = "metrics-recording-only";
854 
855 // Sets the base logging level for the net log. Log 0 logs the most data.
856 // Intended primarily for use with --log-net-log.
857 const char kNetLogLevel[]                   = "net-log-level";
858 
859 // Disables the default browser check. Useful for UI/browser tests where we
860 // want to avoid having the default browser info-bar displayed.
861 const char kNoDefaultBrowserCheck[]         = "no-default-browser-check";
862 
863 // By default, an https page can load images, fonts or frames from an http
864 // page. This switch overrides this to block this lesser mixed-content problem.
865 const char kNoDisplayingInsecureContent[]   = "no-displaying-insecure-content";
866 
867 // Don't record/playback events when using record & playback.
868 const char kNoEvents[]                      = "no-events";
869 
870 // Disables all experiments set on about:flags. Does not disable about:flags
871 // itself. Useful if an experiment makes chrome crash at startup: One can start
872 // chrome with --no-experiments, disable the problematic lab at about:flags and
873 // then restart chrome without this switch again.
874 const char kNoExperiments[]                 = "no-experiments";
875 
876 // Skip First Run tasks, whether or not it's actually the First Run. Overridden
877 // by kForceFirstRun. This does not drop the First Run sentinel and thus doesn't
878 // prevent first run from occuring the next time chrome is launched without this
879 // flag.
880 const char kNoFirstRun[]                    = "no-first-run";
881 
882 // Whether or not the browser should warn if the profile is on a network share.
883 // This flag is only relevant for Windows currently.
884 const char kNoNetworkProfileWarning[]       = "no-network-profile-warning";
885 
886 // Don't send hyperlink auditing pings
887 const char kNoPings[]                       = "no-pings";
888 
889 // Don't use a proxy server, always make direct connections. Overrides any
890 // other proxy server flags that are passed.
891 const char kNoProxyServer[]                 = "no-proxy-server";
892 
893 // Disables the service process from adding itself as an autorun process. This
894 // does not delete existing autorun registrations, it just prevents the service
895 // from registering a new one.
896 const char kNoServiceAutorun[]              = "no-service-autorun";
897 
898 // Does not automatically open a browser window on startup (used when
899 // launching Chrome for the purpose of hosting background apps).
900 const char kNoStartupWindow[]               = "no-startup-window";
901 
902 // Disables checking whether we received an acknowledgment when registering
903 // a supervised user. Also disables the timeout during registration that waits
904 // for the ack. Useful when debugging against a server that does not
905 // support notifications.
906 const char kNoSupervisedUserAcknowledgmentCheck[]  =
907     "no-managed-user-acknowledgment-check";
908 
909 // Specifies the maximum number of threads to use for running the Proxy
910 // Autoconfig (PAC) script.
911 const char kNumPacThreads[]                 = "num-pac-threads";
912 
913 // Launches URL in new browser window.
914 const char kOpenInNewWindow[]               = "new-window";
915 
916 // Force use of QUIC for requests to the specified origin.
917 const char kOriginToForceQuicOn[]           = "origin-to-force-quic-on";
918 
919 // The time that a new chrome process which is delegating to an already running
920 // chrome process started. (See ProcessSingleton for more details.)
921 const char kOriginalProcessStartTime[]      = "original-process-start-time";
922 
923 // Enable the out of process PDF plugin.
924 const char kOutOfProcessPdf[] = "out-of-process-pdf";
925 
926 // Packages an extension to a .crx installable file from a given directory.
927 const char kPackExtension[]                 = "pack-extension";
928 
929 // Optional PEM private key to use in signing packaged .crx.
930 const char kPackExtensionKey[]              = "pack-extension-key";
931 
932 // Specifies the path to the user data folder for the parent profile.
933 const char kParentProfile[]                 = "parent-profile";
934 
935 // Launches PerformanceMonitor at startup, which will gather statistics about
936 // Chrome's CPU and memory usage, page load times, startup times, and network
937 // usage, and will also store information about events which may be of interest,
938 // such as extension-related occurrences and crashes. Optionally, this may be
939 // run with an integer value representing the interval between the timed
940 // metric gatherings, measured in seconds (if invalid or not provided, the
941 // default interval is used).
942 const char kPerformanceMonitorGathering[]   = "performance-monitor-gathering";
943 
944 // Development flag for permission request API. This flag is needed until
945 // the API is finalized.
946 // TODO(akuegel): Remove when this flag is not needed anymore.
947 const char kPermissionRequestApiUrl[] = "permission-request-api-url";
948 
949 // Read previously recorded data from the cache. Only cached data is read.
950 // See kRecordMode.
951 const char kPlaybackMode[]                  = "playback-mode";
952 
953 // Use the PPAPI (Pepper) Flash found at the given path.
954 const char kPpapiFlashPath[]                = "ppapi-flash-path";
955 
956 // Report the given version for the PPAPI (Pepper) Flash. The version should be
957 // numbers separated by '.'s (e.g., "12.3.456.78"). If not specified, it
958 // defaults to "10.2.999.999".
959 const char kPpapiFlashVersion[]             = "ppapi-flash-version";
960 
961 // Triggers prerendering of search base page to prefetch results for the typed
962 // omnibox query. Only has an effect when prerender is enabled.
963 const char kPrefetchSearchResults[]         = "prefetch-search-results";
964 
965 // Triggers prerendering of pages from suggestions in the omnibox. Only has an
966 // effect when Instant is either disabled or restricted to search, and when
967 // prerender is enabled.
968 const char kPrerenderFromOmnibox[]          = "prerender-from-omnibox";
969 // These are the values the kPrerenderFromOmnibox switch may have, as in
970 // "--prerender-from-omnibox=auto". auto: Allow field trial selection.
971 const char kPrerenderFromOmniboxSwitchValueAuto[] = "auto";
972 //   disabled: No prerendering.
973 const char kPrerenderFromOmniboxSwitchValueDisabled[] = "disabled";
974 //   enabled: Guaranteed prerendering.
975 const char kPrerenderFromOmniboxSwitchValueEnabled[] = "enabled";
976 // Controls speculative prerendering of pages, and content prefetching. Both
977 // are dispatched from <link rel=prefetch href=...> elements.
978 const char kPrerenderMode[]                 = "prerender";
979 // These are the values the kPrerenderMode switch may have, as in
980 // "--prerender=auto".
981 //   auto: Allow field trial selection for prerender.
982 const char kPrerenderModeSwitchValueAuto[]  = "auto";
983 //   disabled: No prerendering.
984 const char kPrerenderModeSwitchValueDisabled[] = "disabled";
985 //   enabled: Prerendering.
986 const char kPrerenderModeSwitchValueEnabled[] = "enabled";
987 
988 // Use IPv6 only for privet HTTP.
989 const char kPrivetIPv6Only[]                   = "privet-ipv6-only";
990 
991 // Outputs the product version information and quit. Used as an internal api to
992 // detect the installed version of Chrome on Linux.
993 const char kProductVersion[]                = "product-version";
994 
995 // Selects directory of profile to associate with the first browser launched.
996 const char kProfileDirectory[]              = "profile-directory";
997 
998 // Starts the sampling based profiler for the browser process at startup. This
999 // will only work if chrome has been built with the gyp variable profiling=1.
1000 // The output will go to the value of kProfilingFile.
1001 const char kProfilingAtStart[]              = "profiling-at-start";
1002 
1003 // Specifies a location for profiling output. This will only work if chrome has
1004 // been built with the gyp variable profiling=1.
1005 //
1006 //   {pid} if present will be replaced by the pid of the process.
1007 //   {count} if present will be incremented each time a profile is generated
1008 //           for this process.
1009 // The default is chrome-profile-{pid}.
1010 const char kProfilingFile[]                 = "profiling-file";
1011 
1012 // Specifies a path for the output of task-level profiling which can be loaded
1013 // and viewed in about:profiler.
1014 const char kProfilingOutputFile[]           = "profiling-output-file";
1015 
1016 // Controls whether profile data is periodically flushed to a file. Normally
1017 // the data gets written on exit but cases exist where chrome doesn't exit
1018 // cleanly (especially when using single-process). A time in seconds can be
1019 // specified.
1020 const char kProfilingFlush[]                = "profiling-flush";
1021 
1022 // Specifies a custom URL for fetching NTP promo data.
1023 const char kPromoServerURL[]                = "promo-server-url";
1024 
1025 // Forces proxy auto-detection.
1026 const char kProxyAutoDetect[]               = "proxy-auto-detect";
1027 
1028 // Specifies a list of hosts for whom we bypass proxy settings and use direct
1029 // connections. Ignored if --proxy-auto-detect or --no-proxy-server are also
1030 // specified. This is a comma-separated list of bypass rules. See:
1031 // "net/proxy/proxy_bypass_rules.h" for the format of these rules.
1032 const char kProxyBypassList[]               = "proxy-bypass-list";
1033 
1034 // Uses the pac script at the given URL
1035 const char kProxyPacUrl[]                   = "proxy-pac-url";
1036 
1037 // Uses a specified proxy server, overrides system settings. This switch only
1038 // affects HTTP and HTTPS requests.
1039 const char kProxyServer[]                   = "proxy-server";
1040 
1041 // Specifies the maximum length for a QUIC packet.
1042 const char kQuicMaxPacketLength[]           = "quic-max-packet-length";
1043 
1044 // Specifies the version of QUIC to use.
1045 const char kQuicVersion[]                   = "quic-version";
1046 
1047 // Chrome supports a playback and record mode.  Record mode saves *everything*
1048 // to the cache.  Playback mode reads data exclusively from the cache.  This
1049 // allows us to record a session into the cache and then replay it at will.
1050 // See also kPlaybackMode.
1051 const char kRecordMode[]                    = "record-mode";
1052 
1053 // Enables print preview in the renderer. This flag is generated internally by
1054 // Chrome and does nothing when directly passed to the browser.
1055 const char kRendererPrintPreview[]          = "renderer-print-preview";
1056 
1057 // If set, the app list will forget it has been installed on startup. Note this
1058 // doesn't prevent the app list from running, it just makes Chrome think the app
1059 // list hasn't been enabled (as in kEnableAppList) yet.
1060 const char kResetAppListInstallState[]      = "reset-app-list-install-state";
1061 
1062 // Indicates the last session should be restored on startup. This overrides the
1063 // preferences value and is primarily intended for testing. The value of this
1064 // switch is the number of tabs to wait until loaded before 'load completed' is
1065 // sent to the ui_test.
1066 const char kRestoreLastSession[]            = "restore-last-session";
1067 
1068 // Disable saving pages as HTML-only, disable saving pages as HTML Complete
1069 // (with a directory of sub-resources). Enable only saving pages as MHTML.
1070 // See http://crbug.com/120416 for how to remove this switch.
1071 const char kSavePageAsMHTML[]               = "save-page-as-mhtml";
1072 
1073 // If present, safebrowsing only performs update when
1074 // SafeBrowsingProtocolManager::ForceScheduleNextUpdate() is explicitly called.
1075 // This is used for testing only.
1076 const char kSbDisableAutoUpdate[] = "safebrowsing-disable-auto-update";
1077 
1078 // TODO(lzheng): Remove this flag once the feature works fine
1079 // (http://crbug.com/74848).
1080 //
1081 // Disables safebrowsing feature that checks download url and downloads
1082 // content's hash to make sure the content are not malicious.
1083 const char kSbDisableDownloadProtection[] =
1084     "safebrowsing-disable-download-protection";
1085 
1086 // Disables safebrowsing feature that checks for blacklisted extensions.
1087 const char kSbDisableExtensionBlacklist[] =
1088     "safebrowsing-disable-extension-blacklist";
1089 
1090 // Disables safebrowsing feature that provides a side-effect free whitelist.
1091 const char kSbDisableSideEffectFreeWhitelist[] =
1092     "safebrowsing-disable-side-effect-free-whitelist";
1093 
1094 // Causes the process to run as a service process.
1095 const char kServiceProcess[]                = "service";
1096 
1097 // Sets a token in the token service, for testing.
1098 const char kSetToken[]                      = "set-token";
1099 
1100 // If true the app list will be shown.
1101 const char kShowAppList[]                   = "show-app-list";
1102 
1103 // See kHideIcons.
1104 const char kShowIcons[]                     = "show-icons";
1105 
1106 // Marks a renderer as the signin process.
1107 const char kSigninProcess[]                 = "signin-process";
1108 
1109 // Does not show an infobar when an extension attaches to a page using
1110 // chrome.debugger page. Required to attach to extension background pages.
1111 const char kSilentDebuggerExtensionAPI[]    = "silent-debugger-extension-api";
1112 
1113 // Causes Chrome to launch without opening any windows by default. Useful if
1114 // one wishes to use Chrome as an ash server.
1115 const char kSilentLaunch[]                  = "silent-launch";
1116 
1117 // Simulates an update being available.
1118 const char kSimulateUpgrade[]               = "simulate-upgrade";
1119 
1120 // Simulates a critical update being available.
1121 const char kSimulateCriticalUpdate[]        = "simulate-critical-update";
1122 
1123 // Simulates that current version is outdated.
1124 const char kSimulateOutdated[]               = "simulate-outdated";
1125 
1126 // Simulates that current version is outdated and auto-update is off.
1127 const char kSimulateOutdatedNoAU[]           = "simulate-outdated-no-au";
1128 
1129 // Specifies the URL where spelling service feedback data will be sent instead
1130 // of the default URL. This switch is for temporary testing only.
1131 // TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by
1132 // August 2013.
1133 const char kSpellingServiceFeedbackUrl[] = "spelling-service-feedback-url";
1134 
1135 // Specifies the number of seconds between sending batches of feedback to
1136 // spelling service. The default is 30 minutes. The mininum is 5 seconds. This
1137 // switch is for temporary testing only.
1138 // TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by
1139 // August 2013.
1140 const char kSpellingServiceFeedbackIntervalSeconds[] =
1141     "spelling-service-feedback-interval-seconds";
1142 
1143 // Controls which version of the TLS/SSL interstitial is shown.
1144 const char kSSLInterstitialVersionV1[]         = "ssl-interstitial-v1";
1145 const char kSSLInterstitialVersionV2Gray[]     = "ssl-interstitial-v2-gray";
1146 const char kSSLInterstitialVersionV2Colorful[] = "ssl-interstitial-v2-colorful";
1147 
1148 // Specifies the maximum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
1149 // "tls1.2").
1150 const char kSSLVersionMax[]                 = "ssl-version-max";
1151 
1152 // Specifies the minimum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
1153 // "tls1.2").
1154 const char kSSLVersionMin[]                 = "ssl-version-min";
1155 
1156 // Starts the browser maximized, regardless of any previous settings.
1157 const char kStartMaximized[]                = "start-maximized";
1158 
1159 // Controls the width of time-of-day filters on the 'suggested' ntp page, in
1160 // minutes.
1161 const char kSuggestionNtpFilterWidth[]      = "suggestion-ntp-filter-width";
1162 
1163 // Enables a normal distribution dropoff to the relevancy of visits with respect
1164 // to the time of day.
1165 const char kSuggestionNtpGaussianFilter[]   = "suggestion-ntp-gaussian-filter";
1166 
1167 // Enables a linear dropoff to the relevancy of visits with respect to the time
1168 // of day.
1169 const char kSuggestionNtpLinearFilter[]     = "suggestion-ntp-linear-filter";
1170 
1171 // This flag causes sync to retry very quickly (see polling_constants.h) the
1172 // when it encounters an error, as the first step towards exponential backoff.
1173 const char kSyncShortInitialRetryOverride[] =
1174     "sync-short-initial-retry-override";
1175 
1176 // Overrides the default server used for profile sync.
1177 const char kSyncServiceURL[]                = "sync-url";
1178 
1179 // Enables deferring sync backend initialization until user initiated changes
1180 // occur.
1181 const char kSyncDisableDeferredStartup[]     = "sync-disable-deferred-startup";
1182 
1183 // Allows overriding the deferred init fallback timeout.
1184 const char kSyncDeferredStartupTimeoutSeconds[] =
1185     "sync-deferred-startup-timeout-seconds";
1186 
1187 // Enables feature to avoid unnecessary GetUpdate requests.
1188 const char kSyncEnableGetUpdateAvoidance[]   =
1189     "sync-enable-get-update-avoidance";
1190 
1191 // Enables directory support for sync filesystem
1192 const char kSyncfsEnableDirectoryOperation[] =
1193     "enable-syncfs-directory-operation";
1194 
1195 // Disable data backup when user's not signed in.
1196 const char kSyncDisableBackup[] = "disable-sync-backup";
1197 
1198 // Enable data rollback when receiving sync rollback command.
1199 const char kSyncEnableRollback[] = "enable-sync-rollback";
1200 
1201 // Passes the name of the current running automated test to Chrome.
1202 const char kTestName[]                      = "test-name";
1203 
1204 // Disables same-origin check on HTTP resources pushed via a SPDY proxy.
1205 // The value is the host:port of the trusted proxy.
1206 const char kTrustedSpdyProxy[]              = "trusted-spdy-proxy";
1207 
1208 // Experimental. Shows a dialog asking the user to try chrome. This flag is to
1209 // be used only by the upgrade process.
1210 const char kTryChromeAgain[]                = "try-chrome-again";
1211 
1212 // Runs un-installation steps that were done by chrome first-run.
1213 const char kUninstall[]                     = "uninstall";
1214 
1215 // Overrides per-origin quota settings to unlimited storage for any
1216 // apps/origins.  This should be used only for testing purpose.
1217 const char kUnlimitedStorage[]              = "unlimited-storage";
1218 
1219 // Uses Spdy for the transport protocol instead of HTTP. This is a temporary
1220 // testing flag.
1221 const char kUseSpdy[]                       = "use-spdy";
1222 
1223 // A string used to override the default user agent with a custom one.
1224 const char kUserAgent[]                     = "user-agent";
1225 
1226 // Specifies the user data directory, which is where the browser will look for
1227 // all of its state.
1228 const char kUserDataDir[]                   = "user-data-dir";
1229 
1230 // Examines a .crx for validity and prints the result.
1231 const char kValidateCrx[]                   = "validate-crx";
1232 
1233 // Uses experimental simple cache backend if possible.
1234 const char kUseSimpleCacheBackend[]         = "use-simple-cache-backend";
1235 
1236 // Specifies a custom URL for the server which reports variation data to the
1237 // client. Specifying this switch enables the Variations service on
1238 // unofficial builds. See variations_service.cc.
1239 const char kVariationsServerURL[]           = "variations-server-url";
1240 
1241 // Prints version information and quits.
1242 const char kVersion[]                       = "version";
1243 
1244 // Specify the initial window position: --window-position=x,y
1245 const char kWindowPosition[]                = "window-position";
1246 
1247 // Specify the initial window size: --window-size=w,h
1248 const char kWindowSize[]                    = "window-size";
1249 
1250 // Uses WinHTTP to fetch and evaluate PAC scripts. Otherwise the default is to
1251 // use Chromium's network stack to fetch, and V8 to evaluate.
1252 const char kWinHttpProxyResolver[]          = "winhttp-proxy-resolver";
1253 
1254 #if defined(ENABLE_PLUGIN_INSTALLATION)
1255 // Specifies a custom URL for fetching plug-ins metadata. Used for testing.
1256 const char kPluginsMetadataServerURL[]      = "plugins-metadata-server-url";
1257 #endif
1258 
1259 #if defined(OS_ANDROID)
1260 // Disables support for playing videos on Chromecast devices.
1261 const char kDisableCast[]                    = "disable-cast";
1262 
1263 // Disables Contextual Search.
1264 const char kDisableContextualSearch[]        = "disable-contextual-search";
1265 
1266 // Disables the new NTP.
1267 const char kDisableNewNTP[]                  = "disable-new-ntp";
1268 
1269 // Disables zero suggest experiment on Dev channel.
1270 const char kDisableZeroSuggest[] = "disable-zero-suggest";
1271 
1272 // Enable the accessibility tab switcher.
1273 const char kEnableAccessibilityTabSwitcher[] =
1274     "enable-accessibility-tab-switcher";
1275 
1276 // Enables app install alerts.
1277 const char kEnableAppInstallAlerts[]        = "enable-app-install-alerts";
1278 
1279 // Enables Contextual Search.
1280 const char kEnableContextualSearch[]        = "enable-contextual-search";
1281 
1282 // Enables the new NTP.
1283 const char kEnableNewNTP[]                  = "enable-new-ntp";
1284 
1285 // Enables zero suggest functionality on Dev channel, showing contextual
1286 // suggestions (EtherSuggest) for http pages and google.com search queries.
1287 const char kEnableZeroSuggestEtherSerp[] =
1288     "enable-zero-suggest-ether-serp";
1289 
1290 // Enables zero suggest functionality on Dev channel, showing contextual
1291 // suggestions (EtherSuggest) for http pages.
1292 const char kEnableZeroSuggestEtherNoSerp[] =
1293     "enable-zero-suggest-ether-noserp";
1294 
1295 // Enables zero suggest functionality on Dev channel, showing most visited
1296 // sites as default suggestions.
1297 const char kEnableZeroSuggestMostVisited[] =
1298     "enable-zero-suggest-most-visited";
1299 
1300 // Enables zero suggest functionality on Dev channel, showing recently typed
1301 // queries as default suggestions.
1302 const char kEnableZeroSuggestPersonalized[] =
1303     "enable-zero-suggest-personalized";
1304 
1305 // Enables instant search clicks feature.
1306 const char kEnableInstantSearchClicks[] = "enable-instant-search-clicks";
1307 
1308 // Enables EmbeddedSearch API in the search results page.
1309 const char kEnableEmbeddedSearchAPI[] = "enable-embeddedsearch-api";
1310 
1311 #endif
1312 
1313 #if defined(USE_ASH)
1314 const char kOpenAsh[]                       = "open-ash";
1315 #endif
1316 
1317 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
1318 // Specifies which password store to use (detect, default, gnome, kwallet).
1319 const char kPasswordStore[]                 = "password-store";
1320 #endif
1321 
1322 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
1323 // Triggers migration of user data directory to another directory
1324 // specified as a parameter. The migration is done under singleton lock,
1325 // and sanity checks are made to avoid corrupting the profile.
1326 // The browser exits after migration is complete.
1327 const char kMigrateDataDirForSxS[]          = "migrate-data-dir-for-sxs";
1328 
1329 // Allows sending text-to-speech requests to speech-dispatcher, a common
1330 // Linux speech service. Because it's buggy, the user must explicitly
1331 // enable it so that visiting a random webpage can't cause instability.
1332 const char kEnableSpeechDispatcher[] = "enable-speech-dispatcher";
1333 #endif  // defined(OS_LINUX) && !defined(OS_CHROMEOS)
1334 
1335 #if defined(OS_MACOSX)
1336 // Prevents Chrome from quitting when Chrome Apps are open.
1337 const char kAppsKeepChromeAlive[]           = "apps-keep-chrome-alive";
1338 
1339 // Forcibly disables Lion-style on newer OSes, to allow developers to test the
1340 // older, SnowLeopard-style fullscreen.
1341 const char kDisableSystemFullscreenForTesting[] =
1342     "disable-system-fullscreen-for-testing";
1343 
1344 // Enables a simplified fullscreen UI on Mac.
1345 const char kEnableSimplifiedFullscreen[]    = "enable-simplified-fullscreen";
1346 
1347 // A process type (switches::kProcessType) that relaunches the browser. See
1348 // chrome/browser/mac/relauncher.h.
1349 const char kRelauncherProcess[]             = "relauncher";
1350 
1351 #endif
1352 
1353 // Use bubbles for content permissions requests instead of infobars.
1354 const char kEnablePermissionsBubbles[]      = "enable-permissions-bubbles";
1355 
1356 #if defined(OS_WIN)
1357 // Fallback to XPS. By default connector uses CDD.
1358 const char kEnableCloudPrintXps[]           = "enable-cloud-print-xps";
1359 
1360 // Force-enables the profile shortcut manager. This is needed for tests since
1361 // they use a custom-user-data-dir which disables this.
1362 const char kEnableProfileShortcutManager[]  = "enable-profile-shortcut-manager";
1363 
1364 // For the DelegateExecute verb handler to launch Chrome in metro mode on
1365 // Windows 8 and higher.  Used when relaunching metro Chrome.
1366 const char kForceImmersive[]                = "force-immersive";
1367 
1368 // For the DelegateExecute verb handler to launch Chrome in desktop mode on
1369 // Windows 8 and higher.  Used when relaunching metro Chrome.
1370 const char kForceDesktop[]                  = "force-desktop";
1371 
1372 // Relaunches metro Chrome on Windows 8 and higher using a given shortcut.
1373 const char kRelaunchShortcut[]              = "relaunch-shortcut";
1374 
1375 // Requests that Chrome connect to the running Metro viewer process.
1376 const char kViewerConnect[]                 = "viewer-connect";
1377 
1378 // Requests that Chrome launch the Metro viewer process via the given appid
1379 // (which is assumed to be registered as default browser) and synchronously
1380 // connect to it.
1381 const char kViewerLaunchViaAppId[]          = "viewer-launch-via-appid";
1382 
1383 // Waits for the given handle to be signaled before relaunching metro Chrome on
1384 // Windows 8 and higher.
1385 const char kWaitForMutex[]                  = "wait-for-mutex";
1386 
1387 // Indicates that chrome was launched to service a search request in Windows 8.
1388 const char kWindows8Search[]                = "windows8-search";
1389 #endif
1390 
1391 #if defined(ENABLE_FULL_PRINTING) && !defined(OFFICIAL_BUILD)
1392 // Enables support to debug printing subsystem.
1393 const char kDebugPrint[] = "debug-print";
1394 #endif
1395 
1396 #ifndef NDEBUG
1397 // Enables overriding the path of file manager extension.
1398 const char kFileManagerExtensionPath[]      = "filemgr-ext-path";
1399 #endif
1400 
SettingsWindowEnabled()1401 bool SettingsWindowEnabled() {
1402 #if defined(OS_CHROMEOS)
1403   return !CommandLine::ForCurrentProcess()->HasSwitch(
1404       ::switches::kDisableSettingsWindow);
1405 #else
1406   return CommandLine::ForCurrentProcess()->HasSwitch(
1407       ::switches::kEnableSettingsWindow);
1408 #endif
1409 }
1410 
1411 // -----------------------------------------------------------------------------
1412 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
1413 //
1414 // You were going to just dump your switches here, weren't you? Instead, please
1415 // put them in alphabetical order above, or in order inside the appropriate
1416 // ifdef at the bottom. The order should match the header.
1417 // -----------------------------------------------------------------------------
1418 
1419 }  // namespace switches
1420