Refactor extension app icon.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h

 // Copyright 2013 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_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_IMPL_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_IMPL_H_
 
 #include <list>
 #include <memory>
 
@@ skipping 118 matching lines @@
       const std::string& app_id,
       const std::string& launch_id) override;
   const std::string& GetAppIDForShelfID(ash::ShelfID id) override;
   void PinAppWithID(const std::string& app_id) override;
   bool IsAppPinned(const std::string& app_id) override;
   void UnpinAppWithID(const std::string& app_id) override;
 
   // LauncherAppUpdater::Delegate:
   void OnAppInstalled(content::BrowserContext* browser_context,
                       const std::string& app_id) override;
-  void OnAppUpdated(content::BrowserContext* browser_context,
-                    const std::string& app_id) override;
   void OnAppUninstalledPrepared(content::BrowserContext* browser_context,
                                 const std::string& app_id) override;
 
  protected:
   // ChromeLauncherController:
   void OnInit() override;
 
   // Creates a new app shortcut item and controller on the shelf at |index|.
   ash::ShelfID CreateAppShortcutLauncherItem(
       const ash::AppLaunchId& app_launch_id,
@@ skipping 133 matching lines @@
   typedef std::vector<std::string> RunningAppListIds;
   typedef std::map<std::string, RunningAppListIds> RunningAppListIdMap;
   RunningAppListIdMap last_used_running_application_order_;
 
   base::WeakPtrFactory<ChromeLauncherControllerImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherControllerImpl);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_IMPL_H_