Move the rest of extension_manifest_constants to top-level extensions/

extensions/common/manifest_constants.cc

Index: extensions/common/manifest_constants.cc
diff --git a/extensions/common/manifest_constants.cc b/extensions/common/manifest_constants.cc
index cc73f022691918f3a112ce277a63c74d452ed44e..caf22e17eb9919cdca2b565a35468aad12d56af3 100644
--- a/extensions/common/manifest_constants.cc
+++ b/extensions/common/manifest_constants.cc
@@ -151,11 +151,502 @@ const char kWebURLs[] = "app.urls";
 
 }  // namespace manifest_keys
 
+namespace manifest_values {
+
+const char kBrowserActionCommandEvent[] = "_execute_browser_action";
+const char kIncognitoSplit[] = "split";
+const char kIncognitoSpanning[] = "spanning";
+const char kIntentDispositionWindow[] = "window";
+const char kIntentDispositionInline[] = "inline";
+const char kIsolatedStorage[] = "storage";
+const char kKeybindingPlatformChromeOs[] = "chromeos";
+const char kKeybindingPlatformDefault[] = "default";
+const char kKeybindingPlatformLinux[] = "linux";
+const char kKeybindingPlatformMac[] = "mac";
+const char kKeybindingPlatformWin[] = "windows";
+const char kKeyAlt[] = "Alt";
+const char kKeyComma[] = "Comma";
+const char kKeyCommand[] = "Command";
+const char kKeyCtrl[] = "Ctrl";
+const char kKeyDel[] = "Delete";
+const char kKeyDown[] = "Down";
+const char kKeyEnd[] = "End";
+const char kKeyHome[] = "Home";
+const char kKeyIns[] = "Insert";
+const char kKeyLeft[] = "Left";
+const char kKeyMacCtrl[] = "MacCtrl";
+const char kKeyMediaNextTrack[] = "MediaNextTrack";
+const char kKeyMediaPlayPause[] = "MediaPlayPause";
+const char kKeyMediaPrevTrack[] = "MediaPrevTrack";
+const char kKeyMediaStop[] = "MediaStop";
+const char kKeyPgDwn[] = "PageDown";
+const char kKeyPgUp[] = "PageUp";
+const char kKeyPeriod[] = "Period";
+const char kKeyRight[] = "Right";
+const char kKeySeparator[] = "+";
+const char kKeyShift[] = "Shift";
+const char kKeyTab[] = "Tab";
+const char kKeyUp[] = "Up";
+const char kRunAtDocumentStart[] = "document_start";
+const char kRunAtDocumentEnd[] = "document_end";
+const char kRunAtDocumentIdle[] = "document_idle";
+const char kPageActionCommandEvent[] = "_execute_page_action";
+const char kPageActionTypeTab[] = "tab";
+const char kPageActionTypePermanent[] = "permanent";
+const char kScriptBadgeCommandEvent[] = "_execute_script_badge";
+const char kLaunchContainerPanel[] = "panel";
+const char kLaunchContainerTab[] = "tab";
+const char kLaunchContainerWindow[] = "window";
+
+}  // namespace manifest_values
+
+// Extension-related error messages. Some of these are simple patterns, where a
+// '*' is replaced at runtime with a specific value. This is used instead of
+// printf because we want to unit test them and scanf is hard to make
+// cross-platform.
 namespace manifest_errors {
 
+const char kAppsNotEnabled[] =
+    "Apps are not enabled.";
+const char kBackgroundPermissionNeeded[] =
+    "Hosted apps that use 'background_page' must have the 'background' "
+    "permission.";
+const char kBackgroundRequiredForPlatformApps[] =
+    "Packaged apps must have a background page or background scripts.";
+const char kCannotAccessChromeUrl[] = "Cannot access a chrome:// URL";
+const char kCannotAccessExtensionUrl[] =
+    "Cannot access a chrome-extension:// URL of different extension";
+const char kCannotAccessPage[] =
+    "Cannot access contents of url \"*\". "
+    "Extension manifest must request permission to access this host.";
+const char kCannotChangeExtensionID[] =
+    "Installed extensions cannot change their IDs.";
+const char kCannotClaimAllHostsInExtent[] =
+    "Cannot claim all hosts ('*') in an extent.";
+const char kCannotClaimAllURLsInExtent[] =
+    "Cannot claim all URLs in an extent.";
+const char kCannotScriptGallery[] =
+    "The extensions gallery cannot be scripted.";
+const char kCannotScriptSigninPage[] =
+    "The sign-in page cannot be scripted.";
+const char kChromeVersionTooLow[] =
+    "This extension requires * version * or greater.";
+const char kDisabledByPolicy[] =
+    "This extension has been disabled by your administrator.";
+const char kExpectString[] = "Expect string value.";
+const char kExperimentalFlagRequired[] =
+    "Loading extensions with 'experimental' permission is turned off by "
+    "default. You can enable 'Experimental Extension APIs' "
+    "by visiting chrome://flags.";
+const char kInvalidAllFrames[] =
+    "Invalid value for 'content_scripts[*].all_frames'.";
+const char kInvalidBackground[] =
+    "Invalid value for 'background_page'.";
+const char kInvalidBackgroundAllowJsAccess[] =
+    "Invalid value for 'background.allow_js_access'.";
+const char kInvalidBackgroundCombination[] =
+    "The background.page and background.scripts properties cannot be used at "
+    "the same time.";
+const char kInvalidBackgroundScript[] =
+    "Invalid value for 'background.scripts[*]'.";
+const char kInvalidBackgroundScripts[] =
+    "Invalid value for 'background.scripts'.";
+const char kInvalidBackgroundInHostedApp[] =
+    "Invalid value for 'background_page'. Hosted apps must specify an "
+    "absolute HTTPS URL for the background page.";
+const char kInvalidBackgroundPersistent[] =
+    "Invalid value for 'background.persistent'.";
+const char kInvalidBackgroundPersistentNoPage[] =
+    "Must specify one of background.page or background.scripts to use"
+    " background.persistent.";
+const char kInvalidBrowserAction[] =
+    "Invalid value for 'browser_action'.";
+const char kInvalidChromeURLOverrides[] =
+    "Invalid value for 'chrome_url_overrides'.";
+const char kInvalidCommandsKey[] =
+    "Invalid value for 'commands'.";
+const char kInvalidContentPack[] =
+    "Invalid value for 'content_pack'.";
+const char kInvalidContentPackSites[] =
+    "Invalid value for Content Pack sites - files must be strings.";
+const char kInvalidContentScript[] =
+    "Invalid value for 'content_scripts[*]'.";
+const char kInvalidContentSecurityPolicy[] =
+    "Invalid value for 'content_security_policy'.";
+const char kInvalidContentScriptsList[] =
+    "Invalid value for 'content_scripts'.";
+const char kInvalidCss[] =
+    "Invalid value for 'content_scripts[*].css[*]'.";
+const char kInvalidCssList[] =
+    "Required value 'content_scripts[*].css' is invalid.";
+const char kInvalidDefaultLocale[] =
+    "Invalid value for default locale - locale name must be a string.";
+const char kInvalidDescription[] =
+    "Invalid value for 'description'.";
+const char kInvalidDevToolsPage[] =
+    "Invalid value for 'devtools_page'.";
+const char kInvalidDisplayInLauncher[] =
+    "Invalid value for 'display_in_launcher'.";
+const char kInvalidDisplayInNewTabPage[] =
+    "Invalid value for 'display_in_new_tab_page'.";
+const char kInvalidExcludeMatch[] =
+    "Invalid value for 'content_scripts[*].exclude_matches[*]': *";
+const char kInvalidExcludeMatches[] =
+    "Invalid value for 'content_scripts[*].exclude_matches'.";
+const char kInvalidExport[] =
+    "Invalid value for 'export'.";
+const char kInvalidExportPermissions[] =
+    "Permissions are not allowed for extensions that export resources.";
+const char kInvalidExportResources[] =
+    "Invalid value for 'export.resources'.";
+const char kInvalidExportResourcesString[] =
+    "Invalid value for 'export.resources[*]'.";
+const char kInvalidFileAccessList[] =
+    "Invalid value for 'file_access'.";
+const char kInvalidFileAccessValue[] =
+    "Invalid value for 'file_access[*]'.";
+const char kInvalidFileBrowserHandler[] =
+    "Invalid value for 'file_browser_handlers'.";
+const char kInvalidMediaGalleriesHandler[] =
+    "Invalid value for 'media_galleries_handlers'.";
+const char kInvalidFileFiltersList[] =
+    "Invalid value for 'file_filters'.";
+const char kInvalidFileFilterValue[] =
+    "Invalid value for 'file_filters[*]'.";
+const char kInvalidFileHandlers[] =
+    "Invalid value for 'file_handlers'.";
+const char kInvalidFileHandlerExtension[] =
+    "Invalid value for 'file_handlers[*].extensions'.";
+const char kInvalidFileHandlerExtensionElement[] =
+    "Invalid value for 'file_handlers[*].extensions[*]'.";
+const char kInvalidFileHandlerNoTypeOrExtension[] =
+    "'file_handlers[*]' must contain a non-empty 'types' or 'extensions'.";
+const char kInvalidFileHandlerTitle[] =
+    "Invalid value for 'file_handlers[*].title'.";
+const char kInvalidFileHandlerType[] =
+    "Invalid value for 'file_handlers[*].types'.";
+const char kInvalidFileHandlerTypeElement[] =
+    "Invalid value for 'file_handlers[*].types[*]'.";
+const char kInvalidGlob[] =
+    "Invalid value for 'content_scripts[*].*[*]'.";
+const char kInvalidGlobList[] =
+    "Invalid value for 'content_scripts[*].*'.";
+const char kInvalidHomepageURL[] =
+    "Invalid value for homepage url: '[*]'.";
+const char kInvalidIconPath[] =
+    "Invalid value for 'icons[\"*\"]'.";
+const char kInvalidIcons[] =
+    "Invalid value for 'icons'.";
+const char kInvalidImport[] =
+    "Invalid value for 'import'.";
+const char kInvalidImportAndExport[] =
+    "Simultaneous 'import' and 'export' are not allowed.";
+const char kInvalidImportId[] =
+    "Invalid value for 'import[*].id'.";
+const char kInvalidImportVersion[] =
+    "Invalid value for 'import[*].minimum_version'.";
+const char kInvalidIncognitoBehavior[] =
+    "Invalid value for 'incognito'.";
+const char kInvalidInputComponents[] =
+    "Invalid value for 'input_components'";
+const char kInvalidInputComponentDescription[] =
+    "Invalid value for 'input_components[*].description";
+const char kInvalidInputComponentLayoutName[] =
+    "Invalid value for 'input_components[*].layouts[*]";
+const char kInvalidInputComponentName[] =
+    "Invalid value for 'input_components[*].name";
+const char kInvalidInputComponentShortcutKey[] =
+    "Invalid value for 'input_components[*].shortcutKey";
+const char kInvalidInputComponentShortcutKeycode[] =
+    "Invalid value for 'input_components[*].shortcutKey.keyCode";
+const char kInvalidInputComponentType[] =
+    "Invalid value for 'input_components[*].type";
+const char kInvalidIntent[] =
+    "Invalid value for intents[*]";
+const char kInvalidIntentDisposition[] =
+    "Invalid value for intents[*].disposition";
+const char kInvalidIntentDispositionInPlatformApp[] =
+    "Invalid value for intents[*].disposition. Packaged apps cannot specify "
+    "a disposition";
+const char kInvalidIntentHref[] =
+    "Invalid value for intents[*].href";
+const char kInvalidIntentHrefEmpty[] =
+    "Missing value for intents[*].href";
+const char kInvalidIntentHrefInPlatformApp[] =
+    "Invalid value for intents[*].href. Packaged apps cannot specify a "
+    "URL for intents";
+const char kInvalidIntentHrefOldAndNewKey[] =
+    "intents[*]: Key \"*\" is deprecated.  Key \"*\" has the same meaning. "
+    "You can not use both.";
+const char kInvalidIntentPageInHostedApp[] =
+    "Invalid value for intents[*].href. Hosted apps must specify an "
+    "absolute URL within app.urls[].";
+const char kInvalidIntents[] =
+    "Invalid value for intents";
+const char kInvalidIntentType[] =
+    "Invalid value for intents[*].type";
+const char kInvalidIntentTypeElement[] =
+    "Invalid value for intents[*].type[*]";
+const char kInvalidIntentTitle[] =
+    "Invalid value for intents[*].title";
+const char kInvalidIsolation[] =
+    "Invalid value for 'app.isolation'.";
+const char kInvalidIsolationValue[] =
+    "Invalid value for 'app.isolation[*]'.";
+const char kInvalidJs[] =
+    "Invalid value for 'content_scripts[*].js[*]'.";
+const char kInvalidJsList[] =
+    "Required value 'content_scripts[*].js' is invalid.";
+const char kInvalidKey[] =
+    "Value 'key' is missing or invalid.";
+const char kInvalidKeyBinding[] =
+     "Invalid value for 'commands[*].*': *.";
+const char kInvalidKeyBindingDescription[] =
+    "Invalid value for 'commands[*].description'.";
+const char kInvalidKeyBindingDictionary[] =
+    "Contents of 'commands[*]' invalid.";
+const char kInvalidKeyBindingMediaKeyWithModifier[] =
+    "Media key cannot have any modifier for 'commands[*].*': *.";
+const char kInvalidKeyBindingMissingPlatform[] =
+    "Could not find key specification for 'command[*].*': Either specify a key "
+    "for '*', or specify a default key.";
+const char kInvalidKeyBindingTooMany[] =
+    "Too many shortcuts specified for 'commands': The maximum is *.";
+const char kInvalidKeyBindingUnknownPlatform[] =
+    "Unknown platform for 'command[*]': *. Valid values are: 'windows', 'mac'"
+    " 'chromeos', 'linux' and 'default'.";
+const char kInvalidKioskEnabled[] =
+    "Invalid value for 'kiosk_enabled'.";
+const char kInvalidLaunchContainer[] =
+    "Invalid value for 'app.launch.container'.";
+const char kInvalidLaunchValue[] =
+    "Invalid value for '*'.";
+const char kInvalidLaunchValueContainer[] =
+    "Invalid container type for '*'.";
+const char kInvalidManifest[] =
+    "Manifest file is invalid.";
+const char kInvalidManifestVersion[] =
+    "Invalid value for 'manifest_version'. Must be an integer greater than "
+    "zero.";
+const char kInvalidManifestVersionOld[] =
+    "The 'manifest_version' key must be present and set to * (without quotes). "
+    "See developer.chrome.com/*/manifestVersion.html for details.";
+const char kInvalidMatch[] =
+    "Invalid value for 'content_scripts[*].matches[*]': *";
+const char kInvalidMatchCount[] =
+    "Invalid value for 'content_scripts[*].matches'. There must be at least "
+    "one match specified.";
+const char kInvalidMatches[] =
+    "Required value 'content_scripts[*].matches' is missing or invalid.";
+const char kInvalidMIMETypes[] =
+    "Invalid value for 'mime_types'";
+const char kInvalidMimeTypesHandler[] =
+    "Invalid value for 'mime_types'.";
+const char kInvalidMinimumChromeVersion[] =
+    "Invalid value for 'minimum_chrome_version'.";
+const char kInvalidName[] =
+    "Required value 'name' is missing or invalid.";
+const char kInvalidNaClModules[] =
+    "Invalid value for 'nacl_modules'.";
+const char kInvalidNaClModulesPath[] =
+    "Invalid value for 'nacl_modules[*].path'.";
+const char kInvalidNaClModulesMIMEType[] =
+    "Invalid value for 'nacl_modules[*].mime_type'.";
+const char kInvalidOAuth2AutoApprove[] =
+    "Invalid value for 'oauth2.auto_approve'. Value must be true or false.";
+const char kInvalidOAuth2ClientId[] =
+    "Invalid value for 'oauth2.client_id'.";
+const char kInvalidOAuth2Scopes[] =
+    "Invalid value for 'oauth2.scopes'.";
+const char kInvalidOfflineEnabled[] =
+    "Invalid value for 'offline_enabled'.";
+const char kInvalidOmniboxKeyword[] =
+    "Invalid value for 'omnibox.keyword'.";
+const char kInvalidOptionsPage[] =
+    "Invalid value for 'options_page'.";
+const char kInvalidOptionsPageExpectUrlInPackage[] =
+    "Invalid value for 'options_page'.  Value must be a relative path.";
+const char kInvalidOptionsPageInHostedApp[] =
+    "Invalid value for 'options_page'. Hosted apps must specify an "
+    "absolute URL.";
+const char kInvalidOptionalPermissions[] =
+    "Invalid value for 'optional_permissions'.";
+const char kInvalidPageAction[] =
+    "Invalid value for 'page_action'.";
+const char kInvalidPageActionDefaultTitle[] =
+    "Invalid value for 'default_title'.";
+const char kInvalidPageActionIconPath[] =
+    "Invalid value for 'page_action.default_icon'.";
+const char kInvalidPageActionId[] =
+    "Required value 'id' is missing or invalid.";
+const char kInvalidPageActionName[] =
+    "Invalid value for 'page_action.name'.";
+const char kInvalidPageActionOldAndNewKeys[] =
+    "Key \"*\" is deprecated.  Key \"*\" has the same meaning.  You can not "
+    "use both.";
+const char kInvalidPageActionPopup[] =
+    "Invalid type for page action popup.";
+const char kInvalidPageActionPopupPath[] =
+    "Invalid value for page action popup path [*].";
+const char kInvalidPageActionsList[] =
+    "Invalid value for 'page_actions'.";
+const char kInvalidPageActionsListSize[] =
+    "Invalid value for 'page_actions'. There can be at most one page action.";
+const char kInvalidPageActionTypeValue[] =
+    "Invalid value for 'page_actions[*].type', expected 'tab' or 'permanent'.";
+const char kInvalidPermission[] =
+    "Invalid value for 'permissions[*]'.";
+const char kInvalidPermissions[] =
+    "Invalid value for 'permissions'.";
+const char kInvalidPermissionScheme[] =
+    "Invalid scheme for 'permissions[*]'.";
+const char kInvalidPlugins[] =
+    "Invalid value for 'plugins'.";
+const char kInvalidPluginsPath[] =
+    "Invalid value for 'plugins[*].path'.";
+const char kInvalidPluginsPublic[] =
+    "Invalid value for 'plugins[*].public'.";
+const char kInvalidRequirement[] =
+    "Invalid value for requirement \"*\"";
+const char kInvalidRequirements[] =
+    "Invalid value for 'requirements'";
+const char kInvalidRunAt[] =
+    "Invalid value for 'content_scripts[*].run_at'.";
+const char kInvalidSandboxedPagesList[] =
+    "Invalid value for 'sandbox.pages'.";
+const char kInvalidSandboxedPage[] =
+    "Invalid value for 'sandbox.pages[*]'.";
+const char kInvalidSandboxedPagesCSP[] =
+    "Invalid value for 'sandbox.content_security_policy'.";
+const char kInvalidScriptBadge[] =
+    "Invalid value for 'script_badge'.";
+const char kInvalidShortName[] =
+    "Invalid value for 'short_name'.";
+const char kInvalidSignature[] =
+    "Value 'signature' is missing or invalid.";
+const char kInvalidSpellcheck[] =
+    "Invalid value for 'spellcheck'.";
+const char kInvalidSpellcheckDictionaryFormat[] =
+    "Invalid value for spellcheck dictionary format.";
+const char kInvalidSpellcheckDictionaryLanguage[] =
+    "Invalid value for spellcheck dictionary language.";
+const char kInvalidSpellcheckDictionaryLocale[] =
+    "Invalid value for spellcheck dictionary locale.";
+const char kInvalidSpellcheckDictionaryPath[] =
+    "Invalid value for spellcheck dictionary path.";
+const char kInvalidSystemIndicator[] =
+    "Invalid value for 'system_indicator'.";
+const char kInvalidTheme[] =
+    "Invalid value for 'theme'.";
+const char kInvalidThemeColors[] =
+    "Invalid value for theme colors - colors must be integers";
+const char kInvalidThemeImages[] =
+    "Invalid value for theme images - images must be strings.";
+const char kInvalidThemeImagesMissing[] =
+    "An image specified in the theme is missing.";
+const char kInvalidThemeTints[] =
+    "Invalid value for theme images - tints must be decimal numbers.";
+const char kInvalidTts[] =
+    "Invalid value for 'tts_engine'.";
+const char kInvalidTtsVoices[] =
+    "Invalid value for 'tts_engine.voices'.";
+const char kInvalidTtsVoicesEventTypes[] =
+    "Invalid value for 'tts_engine.voices[*].event_types'.";
+const char kInvalidTtsVoicesGender[] =
+    "Invalid value for 'tts_engine.voices[*].gender'.";
+const char kInvalidTtsVoicesLang[] =
+    "Invalid value for 'tts_engine.voices[*].lang'.";
+const char kInvalidTtsVoicesVoiceName[] =
+    "Invalid value for 'tts_engine.voices[*].voice_name'.";
+const char kInvalidUpdateURL[] =
+    "Invalid value for update url: '[*]'.";
+const char kInvalidURLHandlers[] =
+    "Invalid value for 'url_handlers'.";
+const char kInvalidURLHandlerPatternElement[] =
+    "Invalid value for 'url_handlers[*]'.";
+const char kInvalidURLHandlerTitle[] =
+    "Invalid value for 'url_handlers[*].title'.";
+const char kInvalidURLHandlerPattern[] =
+    "Invalid value for 'url_handlers[*].matches[*]'.";
+const char kInvalidURLPatternError[] =
+    "Invalid url pattern '*'";
+const char kInvalidVersion[] =
+    "Required value 'version' is missing or invalid. It must be between 1-4 "
+    "dot-separated integers each between 0 and 65536.";
+const char kInvalidWebAccessibleResourcesList[] =
+    "Invalid value for 'web_accessible_resources'.";
+const char kInvalidWebAccessibleResource[] =
+    "Invalid value for 'web_accessible_resources[*]'.";
+const char kInvalidWebURL[] =
+    "Invalid value for 'app.urls[*]': *";
+const char kInvalidWebURLs[] =
+    "Invalid value for 'app.urls'.";
+const char kInvalidZipHash[] =
+    "Required key 'zip_hash' is missing or invalid.";
+const char kInsecureContentSecurityPolicy[] =
+    "Invalid value for 'content_security_policy': Both 'script-src' and"
+    " 'object-src' directives must be specified (either explicitly, or"
+    " implicitly via 'default-src'), and both must whitelist only secure"
+    " resources. You may include any of the following sources: \"'self'\","
+    " \"'unsafe-eval'\", \"http://127.0.0.1\", \"http://localhost\", or any"
+    " \"https://\" or \"chrome-extension://\" origin. For more information,"
+    " see http://developer.chrome.com/extensions/contentSecurityPolicy.html";
+const char kLaunchPathAndExtentAreExclusive[] =
+    "The 'app.launch.local_path' and 'app.urls' keys cannot both be set.";
+const char kLaunchPathAndURLAreExclusive[] =
+    "The 'app.launch.local_path' and 'app.launch.web_url' keys cannot "
+    "both be set.";
+const char kLaunchURLRequired[] =
+    "Either 'app.launch.local_path' or 'app.launch.web_url' is required.";
+const char kLocalesMessagesFileMissing[] =
+    "Messages file is missing for locale.";
+const char kLocalesNoDefaultLocaleSpecified[] =
+    "Localization used, but default_locale wasn't specified in the manifest.";
+const char kLocalesNoDefaultMessages[] =
+    "Default locale is defined but default data couldn't be loaded.";
+const char kLocalesNoValidLocaleNamesListed[] =
+    "No valid locale name could be found in _locales directory.";
+const char kLocalesTreeMissing[] =
+    "Default locale was specified, but _locales subtree is missing.";
+const char kManifestParseError[] =
+    "Manifest is not valid JSON.";
+const char kManifestUnreadable[] =
+    "Manifest file is missing or unreadable.";
+const char kMissingFile[] =
+    "At least one js or css file is required for 'content_scripts[*]'.";
+const char kMultipleOverrides[] =
+    "An extension cannot override more than one page.";
+const char kNoPermissionForMIMETypes[] =
+    "The extension is not allowed to use mime_types key.";
+const char kNoWildCardsInPaths[] =
+  "Wildcards are not allowed in extent URL pattern paths.";
+const char kOneUISurfaceOnly[] =
+    "Only one of 'browser_action', 'page_action', and 'app' can be specified.";
+const char kPermissionMustBeOptional[] =
+    "Permission '*' must be specified in the optional section of the manifest.";
+const char kPermissionNotAllowed[] =
+    "Access to permission '*' denied.";
+const char kPermissionNotAllowedInManifest[] =
+    "Permission '*' cannot be specified in the manifest.";
 const char kPermissionUnknownOrMalformed[] =
     "Permission '*' is unknown or URL pattern is malformed.";
+const char kReservedMessageFound[] =
+    "Reserved key * found in message catalog.";
+const char kScriptBadgeRequiresFlag[] =
+    "The script_badge manifest key is turned off by default. "
+    "You can enable it with the --enable-script-badges command-line flag.";
+const char kScriptBadgeIconIgnored[] =
+    "default_icon specified in script_badge manifest section will not be used.";
+const char kScriptBadgeTitleIgnored[] =
+    "default_title specified in script_badge manifest section will not be "
+    "used.";
 const char kUnrecognizedManifestKey[] = "Unrecognized manifest key '*'.";
+const char kWebRequestConflictsWithLazyBackground[] =
+    "The 'webRequest' API cannot be used with event pages.";
+#if defined(OS_CHROMEOS)
+const char kIllegalPlugins[] =
+    "Extensions cannot install plugins on Chrome OS";
+#endif
 
 }  // namespace manifest_errors