[cleanup] Remove LauncherItemChanged() from LauncherItemController

chrome/browser/ui/ash/launcher/shell_window_launcher_item_controller.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_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
 
 #include <list>
 #include <string>
 
@@ skipping 46 matching lines @@
   // LauncherItemController
   virtual string16 GetTitle() OVERRIDE;
   virtual bool IsCurrentlyShownInWindow(aura::Window* window) const OVERRIDE;
   virtual bool IsOpen() const OVERRIDE;
   virtual bool IsVisible() const OVERRIDE;
   virtual void Launch(int event_flags) OVERRIDE;
   virtual void Activate() OVERRIDE;
   virtual void Close() OVERRIDE;
   virtual void Clicked(const ui::Event& event) OVERRIDE;
   virtual void OnRemoved() OVERRIDE {}
-  virtual void LauncherItemChanged(
-      int model_index,
-      const ash::LauncherItem& old_item) OVERRIDE {}
   virtual ChromeLauncherAppMenuItems GetApplicationList(
       int event_flags) OVERRIDE;
 
   // aura::WindowObserver
   virtual void OnWindowPropertyChanged(aura::Window* window,
                                        const void* key,
                                        intptr_t old) OVERRIDE;
 
   // Get the number of running applications/incarnations of this.
   size_t shell_window_count() const { return shell_windows_.size(); }
@@ skipping 20 matching lines @@
   // AppLauncherItemController for each |app_launcher_id_|.
   const std::string app_launcher_id_;
 
   // Scoped list of observed windows (for removal on destruction)
   ScopedObserver<aura::Window, aura::WindowObserver> observed_windows_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindowLauncherItemController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_