Removing unused GetAppIDForShelfIDConst.

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 145 matching lines @@
   // ash::ShelfDelegate:
   void OnShelfCreated(ash::Shelf* shelf) override;
   void OnShelfDestroyed(ash::Shelf* shelf) override;
   void OnShelfAlignmentChanged(ash::Shelf* shelf) override;
   void OnShelfAutoHideBehaviorChanged(ash::Shelf* shelf) override;
   void OnShelfAutoHideStateChanged(ash::Shelf* shelf) override;
   void OnShelfVisibilityStateChanged(ash::Shelf* shelf) override;
   ash::ShelfID GetShelfIDForAppID(const std::string& app_id) override;
   bool HasShelfIDToAppIDMapping(ash::ShelfID id) const override;
   const std::string& GetAppIDForShelfID(ash::ShelfID id) override;
-  bool GetAppIDForShelfIDConst(ash::ShelfID id, std::string* app_id) const;
   void PinAppWithID(const std::string& app_id) override;
   bool IsAppPinned(const std::string& app_id) override;
   void UnpinAppWithID(const std::string& app_id) override;
 
   // ash::ShelfItemDelegateManagerObserver:
   void OnSetShelfItemDelegate(ash::ShelfID id,
                               ash::ShelfItemDelegate* item_delegate) override;
 
   // ash::ShelfModelObserver:
   void ShelfItemAdded(int index) override;
@@ skipping 202 matching lines @@
   // The list of running & un-pinned applications for different users on hidden
   // desktops.
   typedef std::vector<std::string> RunningAppListIds;
   typedef std::map<std::string, RunningAppListIds> RunningAppListIdMap;
   RunningAppListIdMap last_used_running_application_order_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherControllerImpl);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_IMPL_H_