Add a global on/off switch for content settings and expose a toggle on the Website Settings options…

chrome/browser/ui/webui/options/website_settings_handler.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_WEBSITE_SETTINGS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_WEBSITE_SETTINGS_HANDLER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 63 matching lines @@
   // Get all origins that have used power, filter them by |last_filter_|, and
   // update the page.
   void HandleUpdateBatteryUsage(const base::ListValue* args);
 
   // Deletes the local storage and repopulates the page.
   void HandleDeleteLocalStorage(const base::ListValue* args);
 
   // Populates the default setting drop down on the single site edit page.
   void HandleUpdateDefaultSetting(const base::ListValue* args);
 
-  // Sets the default setting for the lat used content setting to |args|.
+  // Sets the default setting for the last used content setting to |args|.
   void HandleSetDefaultSetting(const base::ListValue* args);
 
+  // Sets if a certain content setting enabled to |args|.
+  void HandleSetGlobalToggle(const base::ListValue* args);
+
   // Closes all tabs and app windows which have the same origin as the selected
   // page.
   void HandleStopOrigin(const base::ListValue* args);
 
   // Callback method to be invoked when fetching the data is complete.
   void OnLocalStorageFetched(const LocalStorageList& storage);
 
   // Get all origins with Content Settings for the last given content setting,
   // filter them by |last_filter_|, and update the page.
   void UpdateOrigins();
@@ skipping 41 matching lines @@
   scoped_ptr<power::OriginPowerMap::Subscription> subscription_;
 
   base::WeakPtrFactory<WebsiteSettingsHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebsiteSettingsHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_WEBSITE_SETTINGS_HANDLER_H_