Move Extension into extensions namespace

chrome/browser/extensions/api/commands/extension_command_service.h

 // Copyright (c) 2012 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_EXTENSIONS_API_COMMANDS_EXTENSION_COMMAND_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_COMMANDS_EXTENSION_COMMAND_SERVICE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 70 matching lines @@
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
   // Assigns initial keybinding for a given |extension|'s page action, browser
   // action and named commands. In each case, if the suggested keybinding is
   // free, it will be taken by this extension. If not, that keybinding request
   // is ignored. |user_pref| is the PrefService used to record the new
   // keybinding assignment.
-  void AssignInitialKeybindings(const Extension* extension);
+  void AssignInitialKeybindings(const extensions::Extension* extension);
 
   // Removes all keybindings for a given extension by its |extension_id|.
   void RemoveKeybindingPrefs(std::string extension_id);
 
   // The content notification registrar for listening to extension events.
   content::NotificationRegistrar registrar_;
 
   // A weak pointer to the profile we are associated with. Not owned by us.
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionCommandService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_COMMANDS_EXTENSION_COMMAND_SERVICE_H_