replace OVERRIDE and FINAL with override and final in ui/

ui/gfx/win/singleton_hwnd.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 UI_GFX_WIN_SINGLETON_HWND_H_
 #define UI_GFX_WIN_SINGLETON_HWND_H_
 
 #include <windows.h>
 #include <vector>
 
@@ skipping 24 matching lines @@
   // Add/remove observer to receive WM_* notifications.
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   // Windows callback for WM_* notifications.
   virtual BOOL ProcessWindowMessage(HWND window,
                                     UINT message,
                                     WPARAM wparam,
                                     LPARAM lparam,
                                     LRESULT& result,
-                                    DWORD msg_map_id) OVERRIDE;
+                                    DWORD msg_map_id) override;
 
  private:
   friend struct DefaultSingletonTraits<SingletonHwnd>;
 
   SingletonHwnd();
   ~SingletonHwnd();
 
   // List of registered observers.
   ObserverList<Observer> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(SingletonHwnd);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_WIN_SINGLETON_HWND_H_