[cleanup] Remove LauncherItemChanged() from LauncherItemController

chrome/browser/ui/ash/launcher/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_LAUNCHER_ITEM_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_ITEM_CONTROLLER_H_
 
 #include "ash/launcher/launcher_types.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 67 matching lines @@
   // Launches a new instance of the app associated with this item.
   virtual void Launch(int event_flags) = 0;
 
   // Shows and activates the most-recently-active window associated with the
   // item, or launches the item if it is not currently open.
   virtual void Activate() = 0;
 
   // Closes all windows associated with this item.
   virtual void Close() = 0;
 
-  // Indicates that the item at |index| has changed from its previous value.
-  virtual void LauncherItemChanged(int model_index,
-                                   const ash::LauncherItem& old_item) = 0;
-
   // Called when the item is clicked. The behavior varies by the number of
   // windows associated with the item:
   // * One window: toggles the minimize state.
   // * Multiple windows: cycles the active window.
   // The |event| is dispatched by a view, therefore the type of the
   // event's target is |views::View|.
   virtual void Clicked(const ui::Event& event) = 0;
 
   // Called when the controlled item is removed from the launcher.
   virtual void OnRemoved() = 0;
@@ skipping 21 matching lines @@
   // applications.
   int locked_;
 
   // Set to true if the launcher item image has been set by the controller.
   bool image_set_by_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherItemController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_ITEM_CONTROLLER_H_