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 kChromeUIComponentsURL[];
  29 extern const char kChromeUIConflictsURL[];
  30 extern const char kChromeUIConstrainedHTMLTestURL[];
  31 extern const char kChromeUICrashesURL[];
  32 extern const char kChromeUICreditsURL[];
  33 extern const char kChromeUIDevicesURL[];
  34 extern const char kChromeUIDevToolsURL[];
  35 extern const char kChromeUIDomainReliabilityInternalsURL[];
  36 extern const char kChromeUIDownloadsURL[];
  37 extern const char kChromeUIExtensionIconURL[];
  38 extern const char kChromeUIExtensionsFrameURL[];
  39 extern const char kChromeUIExtensionsURL[];
  40 extern const char kChromeUIFallbackIconURL[];
  41 extern const char kChromeUIFaviconURL[];
  42 extern const char kChromeUIFlagsURL[];
  43 extern const char kChromeUIFlashURL[];
  44 extern const char kChromeUIGCMInternalsURL[];
  45 extern const char kChromeUIHelpFrameURL[];
  46 extern const char kChromeUIHelpURL[];
  47 extern const char kChromeUIHistoryURL[];
  48 extern const char kChromeUIHistoryFrameURL[];
  49 extern const char kChromeUIIdentityInternalsURL[];
  50 extern const char kChromeUIInspectURL[];
  51 extern const char kChromeUIInstantURL[];
  52 extern const char kChromeUIInterstitialURL[];
  53 extern const char kChromeUIInvalidationsURL[];
  54 extern const char kChromeUILargeIconURL[];
  55 extern const char kChromeUIMemoryRedirectURL[];
  56 extern const char kChromeUIMemoryURL[];
  57 extern const char kChromeUINaClURL[];
  58 extern const char kChromeUINetInternalsURL[];
  59 extern const char kChromeUINewProfileURL[];
  60 extern const char kChromeUINewTabURL[];
  61 extern const char kChromeUIOmniboxURL[];
  62 extern const char kChromeUIPasswordManagerInternalsHost[];
  63 extern const char kChromeUIPluginsURL[];
  64 extern const char kChromeUIPolicyURL[];
  65 extern const char kChromeUIProfileSigninConfirmationURL[];
  66 extern const char kChromeUIUserManagerURL[];
  67 extern const char kChromeUIPrintURL[];
  68 extern const char kChromeUIQuitURL[];
  69 extern const char kChromeUIRestartURL[];
  70 extern const char kChromeUIMdSettingsURL[];
  71 extern const char kChromeUISettingsURL[];
  72 extern const char kChromeUIContentSettingsURL[];
  73 extern const char kChromeUISettingsFrameURL[];
  74 extern const char kChromeUISuggestionsURL[];
  75 extern const char kChromeUISupervisedUserPassphrasePageURL[];
  76 extern const char kChromeUITermsURL[];
  77 extern const char kChromeUIThemeURL[];
  78 extern const char kChromeUIThumbnailURL[];
  79 extern const char kChromeUIThumbnailListURL[];
  80 extern const char kChromeUIUberFrameURL[];
  81 extern const char kChromeUIUserActionsURL[];
  82 extern const char kChromeUIVersionURL[];
  83
  84 #if defined(OS_ANDROID)
  85 extern const char kChromeUIContextualSearchPromoURL[];
  86 extern const char kChromeUINativeScheme[];
  87 extern const char kChromeUINativeNewTabURL[];
  88 extern const char kChromeUINativeBookmarksURL[];
  89 extern const char kChromeUINativeRecentTabsURL[];
  90 #endif
  91
  92 #if defined(OS_CHROMEOS)
  93 extern const char kChromeUIBluetoothPairingURL[];
  94 extern const char kChromeUICertificateManagerDialogURL[];
  95 extern const char kChromeUIChooseMobileNetworkURL[];
  96 extern const char kChromeUIDeviceEmulatorURL[];
  97 extern const char kChromeUIFirstRunURL[];
  98 extern const char kChromeUIImageBurnerURL[];
  99 extern const char kChromeUIKeyboardOverlayURL[];
 100 extern const char kChromeUIMobileSetupURL[];
 101 extern const char kChromeUINfcDebugURL[];
 102 extern const char kChromeUIOobeURL[];
 103 extern const char kChromeUIOSCreditsURL[];
 104 extern const char kChromeUIProxySettingsURL[];
 105 extern const char kChromeUISalsaURL[];
 106 extern const char kChromeUIScreenlockIconURL[];
 107 extern const char kChromeUISetTimeURL[];
 108 extern const char kChromeUISimUnlockURL[];
 109 extern const char kChromeUISlowURL[];
 110 extern const char kChromeUISystemInfoURL[];
 111 extern const char kChromeUITermsOemURL[];
 112 extern const char kChromeUIUserImageURL[];
 113 #endif  // defined(OS_CHROMEOS)
 114
 115 #if defined(OS_WIN)
 116 extern const char kChromeUIMetroFlowURL[];
 117 #endif
 118
 119 #if defined(USE_AURA)
 120 extern const char kChromeUIGestureConfigURL[];
 121 extern const char kChromeUIGestureConfigHost[];
 122 #endif
 123
 124 #if (defined(OS_LINUX) && defined(TOOLKIT_VIEWS)) || defined(USE_AURA)
 125 extern const char kChromeUITabModalConfirmDialogURL[];
 126 #endif
 127
 128 #if !defined(OS_ANDROID) && !defined(OS_IOS)
 129 extern const char kChromeUICopresenceURL[];
 130 extern const char kChromeUICopresenceHost[];
 131 #endif
 132
 133 #if defined(ENABLE_WEBRTC)
 134 extern const char kChromeUIWebRtcLogsURL[];
 135 #endif
 136
 137 #if defined(ENABLE_MEDIA_ROUTER)
 138 extern const char kChromeUIMediaRouterURL[];
 139 #endif
 140
 141 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
 142 extern const char kChromeUIDiscardsHost[];
 143 extern const char kChromeUIDiscardsURL[];
 144 #endif
 145
 146 // chrome components of URLs. Should be kept in sync with the full URLs above.
 147 extern const char kChromeUIAboutHost[];
 148 extern const char kChromeUIAboutPageFrameHost[];
 149 extern const char kChromeUIBlankHost[];
 150 extern const char kChromeUIAppLauncherPageHost[];
 151 extern const char kChromeUIAppListStartPageHost[];
 152 extern const char kChromeUIBookmarksHost[];
 153 extern const char kChromeUICacheHost[];
 154 extern const char kChromeUICertificateViewerHost[];
 155 extern const char kChromeUICertificateViewerDialogHost[];
 156 extern const char kChromeUIChromeSigninHost[];
 157 extern const char kChromeUIChromeURLsHost[];
 158 extern const char kChromeUIConflictsHost[];
 159 extern const char kChromeUIConstrainedHTMLTestHost[];
 160 extern const char kChromeUICrashesHost[];
 161 extern const char kChromeUICrashHost[];
 162 extern const char kChromeUICreditsHost[];
 163 extern const char kChromeUIDefaultHost[];
 164 extern const char kChromeUIDeviceLogHost[];
 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 kChromeUIExtensionIconHost[];
 174 extern const char kChromeUIExtensionsFrameHost[];
 175 extern const char kChromeUIExtensionsHost[];
 176 extern const char kChromeUIFallbackIconHost[];
 177 extern const char kChromeUIFaviconHost[];
 178 extern const char kChromeUIFlagsHost[];
 179 extern const char kChromeUIFlashHost[];
 180 extern const char kChromeUIGCMInternalsHost[];
 181 extern const char kChromeUIHelpFrameHost[];
 182 extern const char kChromeUIHelpHost[];
 183 extern const char kChromeUIHangHost[];
 184 extern const char kChromeUIHangUIHost[];
 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 kChromeUILargeIconHost[];
 194 extern const char kChromeUILocalStateHost[];
 195 extern const char kChromeUIMemoryHost[];
 196 extern const char kChromeUIMemoryInternalsHost[];
 197 extern const char kChromeUIMemoryRedirectHost[];
 198 extern const char kChromeUIMdSettingsHost[];
 199 extern const char kChromeUINaClHost[];
 200 extern const char kChromeUINetExportHost[];
 201 extern const char kChromeUINetInternalsHost[];
 202 extern const char kChromeUINewTabHost[];
 203 extern const char kChromeUIOmniboxHost[];
 204 extern const char kChromeUIPluginsHost[];
 205 extern const char kChromeUIComponentsHost[];
 206 extern const char kChromeUIPolicyHost[];
 207 extern const char kChromeUIProfileSigninConfirmationHost[];
 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 kChromeUISettingsHost[];
 215 extern const char kChromeUISettingsFrameHost[];
 216 extern const char kChromeUIShorthangHost[];
 217 extern const char kChromeUISignInInternalsHost[];
 218 extern const char kChromeUISuggestionsHost[];
 219 extern const char kChromeUISupervisedUserInternalsHost[];
 220 extern const char kChromeUISupervisedUserPassphrasePageHost[];
 221 extern const char kChromeUISyncHost[];
 222 extern const char kChromeUISyncFileSystemInternalsHost[];
 223 extern const char kChromeUISyncInternalsHost[];
 224 extern const char kChromeUISyncResourcesHost[];
 225 extern const char kChromeUISystemInfoHost[];
 226 extern const char kChromeUITermsHost[];
 227 extern const char kChromeUIThemeHost[];
 228 extern const char kChromeUIThumbnailHost[];
 229 extern const char kChromeUIThumbnailHost2[];
 230 extern const char kChromeUIThumbnailListHost[];
 231 extern const char kChromeUITouchIconHost[];
 232 extern const char kChromeUITranslateInternalsHost[];
 233 extern const char kChromeUIUberFrameHost[];
 234 extern const char kChromeUIUberHost[];
 235 extern const char kChromeUIUserActionsHost[];
 236 extern const char kChromeUIVersionHost[];
 237 extern const char kChromeUIWebRTCDeviceProviderHost[];
 238 extern const char kChromeUIWorkersHost[];
 239
 240 extern const char kChromeUIThemePath[];
 241
 242 #if defined(ENABLE_PRINT_PREVIEW)
 243 extern const char kChromeUIPrintHost[];
 244 #endif  // ENABLE_PRINT_PREVIEW
 245
 246 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
 247 extern const char kChromeUILinuxProxyConfigHost[];
 248 extern const char kChromeUISandboxHost[];
 249 #endif
 250
 251 #if defined(OS_ANDROID)
 252 extern const char kChromeUIContextualSearchPromoHost[];
 253 #endif
 254
 255 #if defined(OS_CHROMEOS)
 256 extern const char kChromeUIActivationMessageHost[];
 257 extern const char kChromeUIAppLaunchHost[];
 258 extern const char kChromeUIBluetoothPairingHost[];
 259 extern const char kChromeUICertificateManagerHost[];
 260 extern const char kChromeUIChooseMobileNetworkHost[];
 261 extern const char kChromeUICryptohomeHost[];
 262 extern const char kChromeUIDeviceEmulatorHost[];
 263 extern const char kChromeUIFirstRunHost[];
 264 extern const char kChromeUIImageBurnerHost[];
 265 extern const char kChromeUIKeyboardOverlayHost[];
 266 extern const char kChromeUILoginContainerHost[];
 267 extern const char kChromeUILoginHost[];
 268 extern const char kChromeUIMobileSetupHost[];
 269 extern const char kChromeUINetworkHost[];
 270 extern const char kChromeUINfcDebugHost[];
 271 extern const char kChromeUIOobeHost[];
 272 extern const char kChromeUIOSCreditsHost[];
 273 extern const char kChromeUIPowerHost[];
 274 extern const char kChromeUIProxySettingsHost[];
 275 extern const char kChromeUIRotateHost[];
 276 extern const char kChromeUISalsaHost[];
 277 extern const char kChromeUIScreenlockIconHost[];
 278 extern const char kChromeUISetTimeHost[];
 279 extern const char kChromeUISimUnlockHost[];
 280 extern const char kChromeUISlowHost[];
 281 extern const char kChromeUISlowTraceHost[];
 282 extern const char kChromeUIUserImageHost[];
 283 extern const char kChromeUIVoiceSearchHost[];
 284
 285 extern const char kEULAPathFormat[];
 286 extern const char kOemEulaURLPath[];
 287 extern const char kOnlineEulaURLPath[];
 288
 289 extern const char kChromeOSCreditsPath[];
 290
 291 extern const char kChromeOSAssetHost[];
 292 extern const char kChromeOSAssetPath[];
 293 #endif  // defined(OS_CHROMEOS)
 294
 295 #if defined(OS_WIN)
 296 extern const char kChromeUIMetroFlowHost[];
 297 #endif
 298
 299 #if (defined(OS_LINUX) && defined(TOOLKIT_VIEWS)) || defined(USE_AURA)
 300 extern const char kChromeUITabModalConfirmDialogHost[];
 301 #endif
 302
 303 #if defined(ENABLE_WEBRTC)
 304 extern const char kChromeUIWebRtcLogsHost[];
 305 #endif
 306
 307 #if defined(ENABLE_MEDIA_ROUTER)
 308 extern const char kChromeUIMediaRouterHost[];
 309 #endif
 310
 311 // Options sub-pages.
 312 extern const char kAutofillSubPage[];
 313 extern const char kClearBrowserDataSubPage[];
 314 extern const char kContentSettingsExceptionsSubPage[];
 315 extern const char kContentSettingsSubPage[];
 316 extern const char kCreateProfileSubPage[];
 317 extern const char kExtensionsSubPage[];
 318 extern const char kHandlerSettingsSubPage[];
 319 extern const char kImportDataSubPage[];
 320 extern const char kLanguageOptionsSubPage[];
 321 extern const char kManageProfileSubPage[];
 322 extern const char kPasswordManagerSubPage[];
 323 extern const char kResetProfileSettingsSubPage[];
 324 extern const char kSearchEnginesSubPage[];
 325 extern const char kSearchSubPage[];
 326 extern const char kSearchUsersSubPage[];
 327 extern const char kSyncSetupSubPage[];
 328 #if defined(OS_CHROMEOS)
 329 extern const char kInternetOptionsSubPage[];
 330 extern const char kChangeProfilePictureSubPage[];
 331 #endif
 332
 333 // Extensions sub pages.
 334 extern const char kExtensionConfigureCommandsSubPage[];
 335
 336 // URLs used to indicate that an extension resource load request
 337 // was invalid.
 338 extern const char kExtensionInvalidRequestURL[];
 339 extern const char kExtensionResourceInvalidRequestURL[];
 340
 341 extern const char kSyncGoogleDashboardURL[];
 342
 343 extern const char kPasswordManagerLearnMoreURL[];
 344 extern const char kUpgradeHelpCenterBaseURL[];
 345 extern const char kPasswordManagerAccountDashboardURL[];
 346
 347 // "Learn more" URL for the Settings API, NTP bubble and other settings bubbles
 348 // showing which extension is controlling them.
 349 extern const char kExtensionControlledSettingLearnMoreURL[];
 350
 351 // General help links for Chrome, opened using various actions.
 352 extern const char kChromeHelpViaKeyboardURL[];
 353 extern const char kChromeHelpViaMenuURL[];
 354 extern const char kChromeHelpViaWebUIURL[];
 355
 356 #if defined(OS_CHROMEOS)
 357 // Accessibility help link for Chrome.
 358 extern const char kChromeAccessibilityHelpURL[];
 359 // Accessibility settings link for Chrome.
 360 extern const char kChromeAccessibilitySettingsURL[];
 361 #endif
 362
 363 #if defined (ENABLE_ONE_CLICK_SIGNIN)
 364 // "Learn more" URL for the one click signin infobar.
 365 extern const char kChromeSyncLearnMoreURL[];
 366
 367 // "Learn more" URL for the "Sign in with a different account" confirmation
 368 // dialog.
 369 extern const char kChromeSyncMergeTroubleshootingURL[];
 370 #endif
 371
 372 #if defined(OS_MACOSX)
 373 // "Learn more" URL for the enterprise sign-in confirmation dialog.
 374 extern const char kChromeEnterpriseSignInLearnMoreURL[];
 375 #endif
 376
 377 // "Learn more" URL for resetting profile preferences.
 378 extern const char kResetProfileSettingsLearnMoreURL[];
 379
 380 // "Learn more" URL for when profile settings are automatically reset.
 381 extern const char kAutomaticSettingsResetLearnMoreURL[];
 382
 383 // Management URL for Chrome Supervised Users.
 384 extern const char kLegacySupervisedUserManagementURL[];
 385
 386 // Management URL for Chrome Supervised Users - version without scheme, used
 387 // for display.
 388 extern const char kLegacySupervisedUserManagementDisplayURL[];
 389
 390 // Help URL for the settings page's search feature.
 391 extern const char kSettingsSearchHelpURL[];
 392
 393 // Help URL for the Omnibox setting.
 394 extern const char kOmniboxLearnMoreURL[];
 395
 396 // "What do these mean?" URL for the Page Info bubble.
 397 extern const char kPageInfoHelpCenterURL[];
 398
 399 // "Learn more" URL for "Aw snap" page when showing "Reload" button.
 400 extern const char kCrashReasonURL[];
 401
 402 // "Learn more" URL for "Aw snap" page when showing "Send feedback" button.
 403 extern const char kCrashReasonFeedbackDisplayedURL[];
 404
 405 // "Learn more" URL for killed tab page.
 406 extern const char kKillReasonURL[];
 407
 408 // "Learn more" URL for the Privacy section under Options.
 409 extern const char kPrivacyLearnMoreURL[];
 410
 411 // "Learn more" URL for the "Do not track" setting in the privacy section.
 412 extern const char kDoNotTrackLearnMoreURL[];
 413
 414 #if defined(OS_CHROMEOS)
 415 // "Learn more" URL for the attestation of content protection setting.
 416 extern const char kAttestationForContentProtectionLearnMoreURL[];
 417 #endif
 418
 419 #if defined(OS_CHROMEOS) || defined(OS_ANDROID)
 420 // "Learn more" URL for the enhanced playback notification dialog.
 421 extern const char kEnhancedPlaybackNotificationLearnMoreURL[];
 422 #endif
 423
 424 // The URL for the Chromium project used in the About dialog.
 425 extern const char kChromiumProjectURL[];
 426
 427 // The URL for the "Learn more" page for the usage/crash reporting option in the
 428 // first run dialog.
 429 extern const char kLearnMoreReportingURL[];
 430
 431 #if defined(ENABLE_PLUGIN_INSTALLATION)
 432 // The URL for the "Learn more" page for the outdated plugin infobar.
 433 extern const char kOutdatedPluginLearnMoreURL[];
 434 #endif
 435
 436 // The URL for the "Learn more" page for the blocked plugin infobar.
 437 extern const char kBlockedPluginLearnMoreURL[];
 438
 439 // The URL for the "Learn more" page for hotword search voice trigger.
 440 extern const char kHotwordLearnMoreURL[];
 441
 442 // The URL for managing a user's audio history.
 443 extern const char kManageAudioHistoryURL[];
 444
 445 // The URL for the "Learn more" page for register protocol handler infobars.
 446 extern const char kLearnMoreRegisterProtocolHandlerURL[];
 447
 448 // The URL for the "Learn more" page for sync setup on the personal stuff page.
 449 extern const char kSyncLearnMoreURL[];
 450
 451 // The URL for the "Learn more" page for download scanning.
 452 extern const char kDownloadScanningLearnMoreURL[];
 453
 454 // The URL for the "Learn more" page for interrupted downloads.
 455 extern const char kDownloadInterruptedLearnMoreURL[];
 456
 457 // The URL for the "Learn more" page on the sync setup dialog, when syncing
 458 // everything.
 459 extern const char kSyncEverythingLearnMoreURL[];
 460
 461 // The URL for information on how to use the app launcher.
 462 extern const char kAppLauncherHelpURL[];
 463
 464 // The URL for the "Learn more" page on sync encryption.
 465 extern const char kSyncEncryptionHelpURL[];
 466
 467 // The URL for the "Learn more" link when there is a sync error.
 468 extern const char kSyncErrorsHelpURL[];
 469
 470 #if defined(OS_CHROMEOS)
 471 // The URL for the "Learn more" link for natural scrolling on ChromeOS.
 472 extern const char kNaturalScrollHelpURL[];
 473
 474 // The URL for the Learn More page about enterprise enrolled devices.
 475 extern const char kLearnMoreEnterpriseURL[];
 476 #endif
 477
 478 // The URL for the Learn More link of the non-CWS bubble.
 479 extern const char kRemoveNonCWSExtensionURL[];
 480
 481 #if defined(OS_WIN)
 482 extern const char kNotificationsHelpURL[];
 483 #endif
 484
 485 // The Welcome Notification More Info URL.
 486 extern const char kNotificationWelcomeLearnMoreURL[];
 487
 488 // Gets the hosts/domains that are shown in chrome://chrome-urls.
 489 extern const char* const kChromeHostURLs[];
 490 extern const size_t kNumberOfChromeHostURLs;
 491
 492 // "Debug" pages which are dangerous and not for general consumption.
 493 extern const char* const kChromeDebugURLs[];
 494 extern const int kNumberOfChromeDebugURLs;
 495
 496 // The chrome-native: scheme is used show pages rendered with platform specific
 497 // widgets instead of using HTML.
 498 extern const char kChromeNativeScheme[];
 499
 500 // The chrome-search: scheme is served by the same backend as chrome:.  However,
 501 // only specific URLDataSources are enabled to serve requests via the
 502 // chrome-search: scheme.  See |InstantIOContext::ShouldServiceRequest| and its
 503 // callers for details.  Note that WebUIBindings should never be granted to
 504 // chrome-search: pages.  chrome-search: pages are displayable but not readable
 505 // by external search providers (that are rendered by Instant renderer
 506 // processes), and neither displayable nor readable by normal (non-Instant) web
 507 // pages.  To summarize, a non-Instant process, when trying to access
 508 // 'chrome-search://something', will bump up against the following:
 509 //
 510 //  1. Renderer: The display-isolated check in WebKit will deny the request,
 511 //  2. Browser: Assuming they got by #1, the scheme checks in
 512 //     URLDataSource::ShouldServiceRequest will deny the request,
 513 //  3. Browser: for specific sub-classes of URLDataSource, like ThemeSource
 514 //     there are additional Instant-PID checks that make sure the request is
 515 //     coming from a blessed Instant process, and deny the request.
 516 extern const char kChromeSearchScheme[];
 517
 518 // Pages under chrome-search.
 519 extern const char kChromeSearchLocalNtpHost[];
 520 extern const char kChromeSearchLocalNtpUrl[];
 521 extern const char kChromeSearchRemoteNtpHost[];
 522
 523 // Host and URL for most visited iframes used on the Instant Extended NTP.
 524 extern const char kChromeSearchMostVisitedHost[];
 525 extern const char kChromeSearchMostVisitedUrl[];
 526
 527 #if defined(OS_CHROMEOS)
 528 extern const char kCrosScheme[];
 529 #endif
 530
 531 // "Learn more" URL for the Cloud Print section under Options.
 532 extern const char kCloudPrintLearnMoreURL[];
 533
 534 // "Learn more" URL for the Cloud Print Preview No Destinations Promotion.
 535 extern const char kCloudPrintNoDestinationsLearnMoreURL[];
 536
 537 // Parameters that get appended to force SafeSearch.
 538 extern const char kSafeSearchSafeParameter[];
 539 extern const char kSafeSearchSsuiParameter[];
 540
 541 // The URL for the "Learn more" link in the media access infobar.
 542 extern const char kMediaAccessLearnMoreUrl[];
 543
 544 // The URL for the "Learn more" link in the language settings.
 545 extern const char kLanguageSettingsLearnMoreUrl[];
 546
 547 #if defined(OS_MACOSX)
 548 // The URL for the 32-bit Mac deprecation help center article
 549 extern const char kMac32BitDeprecationURL[];
 550 #endif
 551
 552 // The URL for the "Learn more" link the the Easy Unlock settings.
 553 extern const char kEasyUnlockLearnMoreUrl[];
 554
 555 #if defined(OS_WIN) || defined(OS_CHROMEOS)
 556 extern const char kChromeUIDiscardsHost[];
 557 extern const char kChromeUIDiscardsURL[];
 558 #endif
 559
 560 }  // namespace chrome
 561
 562 #endif  // CHROME_COMMON_URL_CONSTANTS_H_