extensions: Relocate pref name constants.

chrome/common/pref_names.h

Index: chrome/common/pref_names.h
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index 78db1cb17411d1390ae6db052d574009bbce2234..44096a360c5f48d36bf9446ea88a708159685ce1 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -308,10 +308,7 @@ extern const char kCurrentThemeColors[];
 extern const char kCurrentThemeTints[];
 extern const char kCurrentThemeDisplayProperties[];
 extern const char kExtensionsUIDeveloperMode[];
-extern const char kExtensionToolbarSize[];
-extern const char kExtensionToolbar[];
 extern const char kExtensionCommands[];
-extern const char kExtensionKnownDisabled[];
 extern const char kPluginsLastInternalDirectory[];
 extern const char kPluginsPluginsList[];
 extern const char kPluginsDisabledPlugins[];
@@ -398,9 +395,6 @@ extern const char kSyncedNotificationFirstRun[];
 extern const char kWelcomeNotificationDismissed[];
 extern const char kWelcomeNotificationPreviouslyPoppedUp[];
 
-extern const char kExtensionsPref[];
-extern const char kExtensionsLastChromeVersion[];
-
 extern const char kFullscreenAllowed[];
 
 extern const char kLocalDiscoveryNotificationsEnabled[];
@@ -410,9 +404,6 @@ extern const char kProfileResetPromptMemento[];
 extern const char kGCMUserAccountID[];
 extern const char kGCMUserToken[];
 
-extern const char kNativeMessagingBlacklist[];
-extern const char kNativeMessagingWhitelist[];
-
 // Local state prefs. Please add Profile prefs above instead.
 extern const char kCertRevocationCheckingEnabled[];
 extern const char kCertRevocationCheckingRequiredLocalAnchors[];
@@ -560,19 +551,6 @@ extern const char kDisableVideoAndChat[];
 
 extern const char kDisableExtensions[];
 extern const char kDisablePluginFinder[];
-extern const char kBrowserActionContainerWidth[];
-
-extern const char kLastExtensionsUpdateCheck[];
-extern const char kNextExtensionsUpdateCheck[];
-
-extern const char kExtensionAlertsInitializedPref[];
-extern const char kExtensionAllowedInstallSites[];
-extern const char kExtensionAllowedTypes[];
-extern const char kExtensionBlacklistUpdateVersion[];
-extern const char kExtensionInstallAllowList[];
-extern const char kExtensionInstallDenyList[];
-extern const char kExtensionInstallForceList[];
-extern const char kExtensionStorageGarbageCollect[];
 
 extern const char kNtpAppPageNames[];
 extern const char kNtpCollapsedForeignSessions[];