replace OVERRIDE and FINAL with override and final in ash/

ash/shell/shelf_delegate_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 ASH_SHELL_SHELF_DELEGATE_IMPL_H_
 #define ASH_SHELL_SHELF_DELEGATE_IMPL_H_
 
 #include "ash/shelf/shelf_delegate.h"
 #include "base/compiler_specific.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ash {
 namespace shell {
 
 class WindowWatcher;
 
 class ShelfDelegateImpl : public ShelfDelegate {
  public:
   explicit ShelfDelegateImpl(WindowWatcher* watcher);
   virtual ~ShelfDelegateImpl();
 
   void set_watcher(WindowWatcher* watcher) { watcher_ = watcher; }
 
   // ShelfDelegate overrides:
-  virtual void OnShelfCreated(Shelf* shelf) OVERRIDE;
-  virtual void OnShelfDestroyed(Shelf* shelf) OVERRIDE;
-  virtual ShelfID GetShelfIDForAppID(const std::string& app_id) OVERRIDE;
-  virtual const std::string& GetAppIDForShelfID(ShelfID id) OVERRIDE;
-  virtual void PinAppWithID(const std::string& app_id) OVERRIDE;
-  virtual bool IsAppPinned(const std::string& app_id) OVERRIDE;
-  virtual bool CanPin() const OVERRIDE;
-  virtual void UnpinAppWithID(const std::string& app_id) OVERRIDE;
+  virtual void OnShelfCreated(Shelf* shelf) override;
+  virtual void OnShelfDestroyed(Shelf* shelf) override;
+  virtual ShelfID GetShelfIDForAppID(const std::string& app_id) override;
+  virtual const std::string& GetAppIDForShelfID(ShelfID id) override;
+  virtual void PinAppWithID(const std::string& app_id) override;
+  virtual bool IsAppPinned(const std::string& app_id) override;
+  virtual bool CanPin() const override;
+  virtual void UnpinAppWithID(const std::string& app_id) override;
 
  private:
   // Used to update Launcher. Owned by main.
   WindowWatcher* watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfDelegateImpl);
 };
 
 }  // namespace shell
 }  // namespace ash
 
 #endif  // ASH_SHELL_SHELF_DELEGATE_IMPL_H_