chrome/common/url_constants.h

   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 // Contains constants for known URLs and portions thereof.
   6
   7 #ifndef CHROME_COMMON_URL_CONSTANTS_H_
   8 #define CHROME_COMMON_URL_CONSTANTS_H_
   9
  10 #include <string>
  11 #include <vector>
  12
  13 #include "build/build_config.h"
  14 #include "content/public/common/url_constants.h"
  15
  16 namespace chrome {
  17
  18 // chrome: URLs (including schemes). Should be kept in sync with the
  19 // components below.
  20 extern const char kChromeUIAboutURL[];
  21 extern const char kChromeUIAppsURL[];
  22 extern const char kChromeUIAppListStartPageURL[];
  23 extern const char kChromeUIBookmarksURL[];
  24 extern const char kChromeUICertificateViewerURL[];
  25 extern const char kChromeUICertificateViewerDialogURL[];
  26 extern const char kChromeUIChromeSigninURL[];
  27 extern const char kChromeUIChromeURLsURL[];
  28 extern const char kChromeUICloudPrintResourcesURL[];
  29 extern const char kChromeUIComponentsURL[];
  30 extern const char kChromeUIConflictsURL[];
  31 extern const char kChromeUIConstrainedHTMLTestURL[];
  32 extern const char kChromeUIContextualSearchPromoURL[];
  33 extern const char kChromeUICrashesURL[];
  34 extern const char kChromeUICreditsURL[];
  35 extern const char kChromeUIDevicesURL[];
  36 extern const char kChromeUIDevToolsURL[];
  37 extern const char kChromeUIDomainReliabilityInternalsURL[];
  38 extern const char kChromeUIDownloadsURL[];
  39 extern const char kChromeUIEditSearchEngineDialogURL[];
  40 extern const char kChromeUIExtensionIconURL[];
  41 extern const char kChromeUIExtensionsFrameURL[];
  42 extern const char kChromeUIExtensionsURL[];
  43 extern const char kChromeUIFaviconURL[];
  44 extern const char kChromeUIFeedbackURL[];
  45 extern const char kChromeUIFlagsURL[];
  46 extern const char kChromeUIFlashURL[];
  47 extern const char kChromeUIGCMInternalsURL[];
  48 extern const char kChromeUIHelpFrameURL[];
  49 extern const char kChromeUIHistoryURL[];
  50 extern const char kChromeUIHistoryFrameURL[];
  51 extern const char kChromeUIIdentityInternalsURL[];
  52 extern const char kChromeUIInspectURL[];
  53 extern const char kChromeUIInstantURL[];
  54 extern const char kChromeUIInterstitialURL[];
  55 extern const char kChromeUIInvalidationsURL[];
  56 extern const char kChromeUIMemoryRedirectURL[];
  57 extern const char kChromeUIMemoryURL[];
  58 extern const char kChromeUIMetroFlowURL[];
  59 extern const char kChromeUINaClURL[];
  60 extern const char kChromeUINetInternalsURL[];
  61 extern const char kChromeUINewProfile[];
  62 extern const char kChromeUINewTabURL[];
  63 extern const char kChromeUIOmniboxURL[];
  64 extern const char kChromeUIPasswordManagerInternalsHost[];
  65 extern const char kChromeUIPluginsURL[];
  66 extern const char kChromeUIPolicyURL[];
  67 extern const char kChromeUIProfileSigninConfirmationURL[];
  68 extern const char kChromeUIUserManagerURL[];
  69 extern const char kChromeUIPrintURL[];
  70 extern const char kChromeUIQuitURL[];
  71 extern const char kChromeUIRestartURL[];
  72 extern const char kChromeUISessionFaviconURL[];
  73 extern const char kChromeUISettingsURL[];
  74 extern const char kChromeUISettingsFrameURL[];
  75 extern const char kChromeUISuggestions[];
  76 extern const char kChromeUISuggestionsInternalsURL[];
  77 extern const char kChromeUISupervisedUserPassphrasePageURL[];
  78 extern const char kChromeUISSLClientCertificateSelectorURL[];
  79 extern const char kChromeUITermsURL[];
  80 extern const char kChromeUIThemeURL[];
  81 extern const char kChromeUIThumbnailURL[];
  82 extern const char kChromeUIThumbnailListURL[];
  83 extern const char kChromeUIUberURL[];
  84 extern const char kChromeUIUberFrameURL[];
  85 extern const char kChromeUIUserActionsURL[];
  86 extern const char kChromeUIVersionURL[];
  87 extern const char kChromeUIVoiceSearchURL[];
  88
  89 #if defined(OS_ANDROID)
  90 extern const char kChromeUINativeScheme[];
  91 extern const char kChromeUINativeNewTabURL[];
  92 extern const char kChromeUINativeBookmarksURL[];
  93 extern const char kChromeUINativeRecentTabsURL[];
  94 #endif
  95
  96 #if defined(OS_CHROMEOS)
  97 extern const char kChromeUIActivationMessage[];
  98 extern const char kChromeUIBluetoothPairingURL[];
  99 extern const char kChromeUICertificateManagerDialogURL[];
 100 extern const char kChromeUIChooseMobileNetworkURL[];
 101 extern const char kChromeUIDiagnosticsURL[];
 102 extern const char kChromeUIDiscardsURL[];
 103 extern const char kChromeUIFirstRunURL[];
 104 extern const char kChromeUIIdleLogoutDialogURL[];
 105 extern const char kChromeUIImageBurnerURL[];
 106 extern const char kChromeUIKeyboardOverlayURL[];
 107 extern const char kChromeUILockScreenURL[];
 108 extern const char kChromeUIMediaplayerURL[];
 109 extern const char kChromeUIMobileSetupURL[];
 110 extern const char kChromeUINfcDebugURL[];
 111 extern const char kChromeUIOobeURL[];
 112 extern const char kChromeUIOSCreditsURL[];
 113 extern const char kChromeUIProxySettingsURL[];
 114 extern const char kChromeUIScreenlockIconURL[];
 115 extern const char kChromeUISetTimeURL[];
 116 extern const char kChromeUISimUnlockURL[];
 117 extern const char kChromeUISlideshowURL[];
 118 extern const char kChromeUISlowURL[];
 119 extern const char kChromeUISystemInfoURL[];
 120 extern const char kChromeUITermsOemURL[];
 121 extern const char kChromeUIUserImageURL[];
 122 #endif
 123
 124 #if defined(USE_AURA)
 125 extern const char kChromeUIGestureConfigURL[];
 126 extern const char kChromeUIGestureConfigHost[];
 127 extern const char kChromeUISalsaURL[];
 128 extern const char kChromeUISalsaHost[];
 129 #endif
 130
 131 #if (defined(OS_LINUX) && defined(TOOLKIT_VIEWS)) || defined(USE_AURA)
 132 extern const char kChromeUITabModalConfirmDialogURL[];
 133 #endif
 134
 135 #if !defined(OS_ANDROID) && !defined(OS_IOS)
 136 extern const char kChromeUICopresenceURL[];
 137 extern const char kChromeUICopresenceHost[];
 138 #endif
 139
 140 #if defined(ENABLE_WEBRTC)
 141 extern const char kChromeUIWebRtcLogsURL[];
 142 #endif
 143
 144 // chrome components of URLs. Should be kept in sync with the full URLs above.
 145 extern const char kChromeUIAboutHost[];
 146 extern const char kChromeUIAboutPageFrameHost[];
 147 extern const char kChromeUIBlankHost[];
 148 extern const char kChromeUIAppLauncherPageHost[];
 149 extern const char kChromeUIAppListStartPageHost[];
 150 extern const char kChromeUIBookmarksHost[];
 151 extern const char kChromeUICacheHost[];
 152 extern const char kChromeUICertificateViewerHost[];
 153 extern const char kChromeUICertificateViewerDialogHost[];
 154 extern const char kChromeUIChromeSigninHost[];
 155 extern const char kChromeUIChromeURLsHost[];
 156 extern const char kChromeUICloudPrintResourcesHost[];
 157 extern const char kChromeUICloudPrintSetupHost[];
 158 extern const char kChromeUIConflictsHost[];
 159 extern const char kChromeUIConstrainedHTMLTestHost[];
 160 extern const char kChromeUIContextualSearchPromoHost[];
 161 extern const char kChromeUICrashesHost[];
 162 extern const char kChromeUICrashHost[];
 163 extern const char kChromeUICreditsHost[];
 164 extern const char kChromeUIDefaultHost[];
 165 extern const char kChromeUIDevicesHost[];
 166 extern const char kChromeUIDevToolsHost[];
 167 extern const char kChromeUIDevToolsBundledPath[];
 168 extern const char kChromeUIDevToolsRemotePath[];
 169 extern const char kChromeUIDNSHost[];
 170 extern const char kChromeUIDomainReliabilityInternalsHost[];
 171 extern const char kChromeUIDownloadsHost[];
 172 extern const char kChromeUIDriveInternalsHost[];
 173 extern const char kChromeUIEditSearchEngineDialogHost[];
 174 extern const char kChromeUIExtensionIconHost[];
 175 extern const char kChromeUIExtensionsFrameHost[];
 176 extern const char kChromeUIExtensionsHost[];
 177 extern const char kChromeUIFaviconHost[];
 178 extern const char kChromeUIFeedbackHost[];
 179 extern const char kChromeUIFlagsHost[];
 180 extern const char kChromeUIFlashHost[];
 181 extern const char kChromeUIGCMInternalsHost[];
 182 extern const char kChromeUIHelpFrameHost[];
 183 extern const char kChromeUIHelpHost[];
 184 extern const char kChromeUIHangHost[];
 185 extern const char kChromeUIHistoryHost[];
 186 extern const char kChromeUIHistoryFrameHost[];
 187 extern const char kChromeUIIdentityInternalsHost[];
 188 extern const char kChromeUIInspectHost[];
 189 extern const char kChromeUIInstantHost[];
 190 extern const char kChromeUIInterstitialHost[];
 191 extern const char kChromeUIInvalidationsHost[];
 192 extern const char kChromeUIKillHost[];
 193 extern const char kChromeUILocalStateHost[];
 194 extern const char kChromeUIMemoryHost[];
 195 extern const char kChromeUIMemoryInternalsHost[];
 196 extern const char kChromeUIMemoryRedirectHost[];
 197 extern const char kChromeUIMetroFlowHost[];
 198 extern const char kChromeUINaClHost[];
 199 extern const char kChromeUINetExportHost[];
 200 extern const char kChromeUINetInternalsHost[];
 201 extern const char kChromeUINewTabHost[];
 202 extern const char kChromeUIOmniboxHost[];
 203 extern const char kChromeUIPluginsHost[];
 204 extern const char kChromeUIComponentsHost[];
 205 extern const char kChromeUIPolicyHost[];
 206 extern const char kChromeUIProfileSigninConfirmationHost[];
 207 extern const char kChromeUIProvidedFileSystemsHost[];
 208 extern const char kChromeUIUserManagerHost[];
 209 extern const char kChromeUIPredictorsHost[];
 210 extern const char kChromeUIProfilerHost[];
 211 extern const char kChromeUIQuotaInternalsHost[];
 212 extern const char kChromeUIQuitHost[];
 213 extern const char kChromeUIRestartHost[];
 214 extern const char kChromeUISessionFaviconHost[];
 215 extern const char kChromeUISettingsHost[];
 216 extern const char kChromeUISettingsFrameHost[];
 217 extern const char kChromeUIShorthangHost[];
 218 extern const char kChromeUISignInInternalsHost[];
 219 extern const char kChromeUISuggestionsHost[];
 220 extern const char kChromeUISuggestionsInternalsHost[];
 221 extern const char kChromeUISSLClientCertificateSelectorHost[];
 222 extern const char kChromeUIStatsHost[];
 223 extern const char kChromeUISupervisedUserPassphrasePageHost[];
 224 extern const char kChromeUISyncHost[];
 225 extern const char kChromeUISyncFileSystemInternalsHost[];
 226 extern const char kChromeUISyncInternalsHost[];
 227 extern const char kChromeUISyncResourcesHost[];
 228 extern const char kChromeUISystemInfoHost[];
 229 extern const char kChromeUITermsHost[];
 230 extern const char kChromeUIThemeHost[];
 231 extern const char kChromeUIThumbnailHost[];
 232 extern const char kChromeUIThumbnailHost2[];
 233 extern const char kChromeUIThumbnailListHost[];
 234 extern const char kChromeUITouchIconHost[];
 235 extern const char kChromeUITranslateInternalsHost[];
 236 extern const char kChromeUIUberFrameHost[];
 237 extern const char kChromeUIUberHost[];
 238 extern const char kChromeUIUserActionsHost[];
 239 extern const char kChromeUIVersionHost[];
 240 extern const char kChromeUIVoiceSearchHost[];
 241 extern const char kChromeUIWebRTCDeviceProviderHost[];
 242 extern const char kChromeUIWorkersHost[];
 243
 244 extern const char kChromeUIScreenshotPath[];
 245 extern const char kChromeUIThemePath[];
 246
 247 #if defined(ENABLE_PRINT_PREVIEW)
 248 extern const char kChromeUIPrintHost[];
 249 #endif  // ENABLE_PRINT_PREVIEW
 250
 251 #if defined(OS_ANDROID)
 252 extern const char kChromeUIWelcomeHost[];
 253 #endif
 254
 255 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
 256 extern const char kChromeUILinuxProxyConfigHost[];
 257 extern const char kChromeUISandboxHost[];
 258 #endif
 259
 260 #if defined(OS_CHROMEOS)
 261 extern const char kChromeUIActivationMessageHost[];
 262 extern const char kChromeUIAppLaunchHost[];
 263 extern const char kChromeUIBluetoothPairingHost[];
 264 extern const char kChromeUICertificateManagerHost[];
 265 extern const char kChromeUIChooseMobileNetworkHost[];
 266 extern const char kChromeUICryptohomeHost[];
 267 extern const char kChromeUIDeviceLogHost[];
 268 extern const char kChromeUIDiagnosticsHost[];
 269 extern const char kChromeUIDiscardsHost[];
 270 extern const char kChromeUIFirstRunHost[];
 271 extern const char kChromeUIIdleLogoutDialogHost[];
 272 extern const char kChromeUIImageBurnerHost[];
 273 extern const char kChromeUIKeyboardOverlayHost[];
 274 extern const char kChromeUILockScreenHost[];
 275 extern const char kChromeUILoginContainerHost[];
 276 extern const char kChromeUILoginHost[];
 277 extern const char kChromeUIMediaplayerHost[];
 278 extern const char kChromeUIMobileSetupHost[];
 279 extern const char kChromeUINetworkHost[];
 280 extern const char kChromeUINfcDebugHost[];
 281 extern const char kChromeUIOobeHost[];
 282 extern const char kChromeUIOSCreditsHost[];
 283 extern const char kChromeUIPowerHost[];
 284 extern const char kChromeUIProxySettingsHost[];
 285 extern const char kChromeUIRotateHost[];
 286 extern const char kChromeUIScreenlockIconHost[];
 287 extern const char kChromeUISetTimeHost[];
 288 extern const char kChromeUISimUnlockHost[];
 289 extern const char kChromeUISlideshowHost[];
 290 extern const char kChromeUISlowHost[];
 291 extern const char kChromeUISlowTraceHost[];
 292 extern const char kChromeUIUserImageHost[];
 293
 294 extern const char kChromeUIMenu[];
 295 extern const char kChromeUINetworkMenu[];
 296 extern const char kChromeUIWrenchMenu[];
 297
 298 extern const char kEULAPathFormat[];
 299 extern const char kOemEulaURLPath[];
 300 extern const char kOnlineEulaURLPath[];
 301
 302 extern const char kChromeOSCreditsPath[];
 303
 304 extern const char kChromeOSAssetHost[];
 305 extern const char kChromeOSAssetPath[];
 306 #endif
 307
 308 #if (defined(OS_LINUX) && defined(TOOLKIT_VIEWS)) || defined(USE_AURA)
 309 extern const char kChromeUITabModalConfirmDialogHost[];
 310 #endif
 311
 312 #if defined(ENABLE_WEBRTC)
 313 extern const char kChromeUIWebRtcLogsHost[];
 314 #endif
 315
 316 // Options sub-pages.
 317 extern const char kAutofillSubPage[];
 318 extern const char kClearBrowserDataSubPage[];
 319 extern const char kContentSettingsExceptionsSubPage[];
 320 extern const char kContentSettingsSubPage[];
 321 extern const char kCreateProfileSubPage[];
 322 extern const char kExtensionsSubPage[];
 323 extern const char kHandlerSettingsSubPage[];
 324 extern const char kImportDataSubPage[];
 325 extern const char kLanguageOptionsSubPage[];
 326 extern const char kManageProfileSubPage[];
 327 extern const char kPasswordManagerSubPage[];
 328 extern const char kResetProfileSettingsSubPage[];
 329 extern const char kSearchEnginesSubPage[];
 330 extern const char kSearchSubPage[];
 331 extern const char kSearchUsersSubPage[];
 332 extern const char kSupervisedUserSettingsSubPage[];
 333 extern const char kSyncSetupSubPage[];
 334 #if defined(OS_CHROMEOS)
 335 extern const char kInternetOptionsSubPage[];
 336 extern const char kBluetoothAddDeviceSubPage[];
 337 extern const char kChangeProfilePictureSubPage[];
 338 #endif
 339
 340 // Extensions sub pages.
 341 extern const char kExtensionConfigureCommandsSubPage[];
 342
 343 // URLs used to indicate that an extension resource load request
 344 // was invalid.
 345 extern const char kExtensionInvalidRequestURL[];
 346 extern const char kExtensionResourceInvalidRequestURL[];
 347
 348 extern const char kSyncGoogleDashboardURL[];
 349
 350 extern const char kPasswordManagerLearnMoreURL[];
 351 extern const char kPasswordManagerAccountDashboardURL[];
 352
 353 // "Learn more" URL for the Settings API, NTP bubble and other settings bubbles
 354 // showing which extension is controlling them.
 355 extern const char kExtensionControlledSettingLearnMoreURL[];
 356
 357 // General help links for Chrome, opened using various actions.
 358 extern const char kChromeHelpViaKeyboardURL[];
 359 extern const char kChromeHelpViaMenuURL[];
 360 extern const char kChromeHelpViaWebUIURL[];
 361
 362 #if defined(OS_CHROMEOS)
 363 // Accessibility help link for Chrome.
 364 extern const char kChromeAccessibilityHelpURL[];
 365 // Accessibility settings link for Chrome.
 366 extern const char kChromeAccessibilitySettingsURL[];
 367 #endif
 368
 369 #if defined (ENABLE_ONE_CLICK_SIGNIN)
 370 // "Learn more" URL for the one click signin infobar.
 371 extern const char kChromeSyncLearnMoreURL[];
 372
 373 // "Learn more" URL for the "Sign in with a different account" confirmation
 374 // dialog.
 375 extern const char kChromeSyncMergeTroubleshootingURL[];
 376 #endif
 377
 378 // "Learn more" URL for the enterprise sign-in confirmation dialog.
 379 extern const char kChromeEnterpriseSignInLearnMoreURL[];
 380
 381 // "Learn more" URL for resetting profile preferences.
 382 extern const char kResetProfileSettingsLearnMoreURL[];
 383
 384 // "Learn more" URL for when profile settings are automatically reset.
 385 extern const char kAutomaticSettingsResetLearnMoreURL[];
 386
 387 // Management URL for the supervised users.
 388 extern const char kSupervisedUserManagementURL[];
 389
 390 // Management URL for the supervised users - version without scheme, used
 391 // for display.
 392 extern const char kSupervisedUserManagementDisplayURL[];
 393
 394 // Help URL for the settings page's search feature.
 395 extern const char kSettingsSearchHelpURL[];
 396
 397 // Help URL for the Omnibox setting.
 398 extern const char kOmniboxLearnMoreURL[];
 399
 400 // "What do these mean?" URL for the Page Info bubble.
 401 extern const char kPageInfoHelpCenterURL[];
 402
 403 // "Learn more" URL for "Aw snap" page.
 404 extern const char kCrashReasonURL[];
 405
 406 // "Learn more" URL for killed tab page.
 407 extern const char kKillReasonURL[];
 408
 409 // "Learn more" URL for the Privacy section under Options.
 410 extern const char kPrivacyLearnMoreURL[];
 411
 412 // "Learn more" URL for the "Do not track" setting in the privacy section.
 413 extern const char kDoNotTrackLearnMoreURL[];
 414
 415 #if defined(OS_CHROMEOS)
 416 // These URLs are currently ChromeOS only.
 417
 418 // "Learn more" URL for the attestation of content protection setting.
 419 extern const char kAttestationForContentProtectionLearnMoreURL[];
 420
 421 // "Learn more" URL for the enhanced playback notification dialog.
 422 extern const char kEnhancedPlaybackNotificationLearnMoreURL[];
 423 #endif
 424
 425 // The URL for the Chromium project used in the About dialog.
 426 extern const char kChromiumProjectURL[];
 427
 428 // The URL for the "Learn more" page for the usage/crash reporting option in the
 429 // first run dialog.
 430 extern const char kLearnMoreReportingURL[];
 431
 432 // The URL for the "Learn more" page for the outdated plugin infobar.
 433 extern const char kOutdatedPluginLearnMoreURL[];
 434
 435 // The URL for the "Learn more" page for the blocked plugin infobar.
 436 extern const char kBlockedPluginLearnMoreURL[];
 437
 438 // The URL for the "Learn more" page for hotword search voice trigger.
 439 extern const char kHotwordLearnMoreURL[];
 440
 441 // The URL for managing a user's audio history.
 442 extern const char kManageAudioHistoryURL[];
 443
 444 // The URL for the "Learn more" page for register protocol handler infobars.
 445 extern const char kLearnMoreRegisterProtocolHandlerURL[];
 446
 447 // The URL for the "Learn more" page for sync setup on the personal stuff page.
 448 extern const char kSyncLearnMoreURL[];
 449
 450 // The URL for the "Learn more" page for download scanning.
 451 extern const char kDownloadScanningLearnMoreURL[];
 452
 453 // The URL for the "Learn more" page for interrupted downloads.
 454 extern const char kDownloadInterruptedLearnMoreURL[];
 455
 456 // The URL for the "Learn more" page on the sync setup dialog, when syncing
 457 // everything.
 458 extern const char kSyncEverythingLearnMoreURL[];
 459
 460 // The URL for information on how to use the app launcher.
 461 extern const char kAppLauncherHelpURL[];
 462
 463 // The URL for the "Learn more" page on sync encryption.
 464 extern const char kSyncEncryptionHelpURL[];
 465
 466 // The URL for the "Learn more" link when there is a sync error.
 467 extern const char kSyncErrorsHelpURL[];
 468
 469 #if defined(OS_CHROMEOS)
 470 // The URL for the "Learn more" link for natural scrolling on ChromeOS.
 471 extern const char kNaturalScrollHelpURL[];
 472
 473 // The URL for the Learn More page about enterprise enrolled devices.
 474 extern const char kLearnMoreEnterpriseURL[];
 475 #endif
 476
 477 // The URL for the Learn More link of the non-CWS bubble.
 478 extern const char kRemoveNonCWSExtensionURL[];
 479
 480 extern const char kNotificationsHelpURL[];
 481
 482 // The Welcome Notification More Info URL.
 483 extern const char kNotificationWelcomeLearnMoreURL[];
 484
 485 // Gets the hosts/domains that are shown in chrome://chrome-urls.
 486 extern const char* const kChromeHostURLs[];
 487 extern const size_t kNumberOfChromeHostURLs;
 488
 489 // "Debug" pages which are dangerous and not for general consumption.
 490 extern const char* const kChromeDebugURLs[];
 491 extern const int kNumberOfChromeDebugURLs;
 492
 493 // The chrome-native: scheme is used show pages rendered with platform specific
 494 // widgets instead of using HTML.
 495 extern const char kChromeNativeScheme[];
 496
 497 // The chrome-search: scheme is served by the same backend as chrome:.  However,
 498 // only specific URLDataSources are enabled to serve requests via the
 499 // chrome-search: scheme.  See |InstantIOContext::ShouldServiceRequest| and its
 500 // callers for details.  Note that WebUIBindings should never be granted to
 501 // chrome-search: pages.  chrome-search: pages are displayable but not readable
 502 // by external search providers (that are rendered by Instant renderer
 503 // processes), and neither displayable nor readable by normal (non-Instant) web
 504 // pages.  To summarize, a non-Instant process, when trying to access
 505 // 'chrome-search://something', will bump up against the following:
 506 //
 507 //  1. Renderer: The display-isolated check in WebKit will deny the request,
 508 //  2. Browser: Assuming they got by #1, the scheme checks in
 509 //     URLDataSource::ShouldServiceRequest will deny the request,
 510 //  3. Browser: for specific sub-classes of URLDataSource, like ThemeSource
 511 //     there are additional Instant-PID checks that make sure the request is
 512 //     coming from a blessed Instant process, and deny the request.
 513 extern const char kChromeSearchScheme[];
 514
 515 // Pages under chrome-search.
 516 extern const char kChromeSearchLocalNtpHost[];
 517 extern const char kChromeSearchLocalNtpUrl[];
 518 extern const char kChromeSearchRemoteNtpHost[];
 519
 520 // Host and URL for most visited iframes used on the Instant Extended NTP.
 521 extern const char kChromeSearchMostVisitedHost[];
 522 extern const char kChromeSearchMostVisitedUrl[];
 523
 524 #if defined(OS_CHROMEOS)
 525 extern const char kCrosScheme[];
 526 #endif
 527
 528 // "Learn more" URL for the Cloud Print section under Options.
 529 extern const char kCloudPrintLearnMoreURL[];
 530
 531 // "Learn more" URL for the Cloud Print Preview No Destinations Promotion.
 532 extern const char kCloudPrintNoDestinationsLearnMoreURL[];
 533
 534 // Parameters that get appended to force SafeSearch.
 535 extern const char kSafeSearchSafeParameter[];
 536 extern const char kSafeSearchSsuiParameter[];
 537
 538 // The URL for the "Learn more" link in the media access infobar.
 539 extern const char kMediaAccessLearnMoreUrl[];
 540
 541 // The URL for the "Learn more" link in the language settings.
 542 extern const char kLanguageSettingsLearnMoreUrl[];
 543
 544 #if defined(OS_MACOSX)
 545 // The URL for the 32-bit Mac deprecation help center article
 546 extern const char kMac32BitDeprecationURL[];
 547 #endif
 548
 549 // The URL for the "Learn more" link the the Easy Unlock settings.
 550 extern const char kEasyUnlockLearnMoreUrl[];
 551
 552 }  // namespace chrome
 553
 554 #endif  // CHROME_COMMON_URL_CONSTANTS_H_