replace OVERRIDE and FINAL with override and final in ash/

ash/wm/system_modal_container_event_filter.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 ASH_WM_SYSTEM_MODAL_CONTAINER_EVENT_FILTER_H_
 #define ASH_WM_SYSTEM_MODAL_CONTAINER_EVENT_FILTER_H_
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/events/event_handler.h"
 
 namespace ash {
 
 class SystemModalContainerEventFilterDelegate;
 
 class ASH_EXPORT SystemModalContainerEventFilter : public ui::EventHandler {
  public:
   explicit SystemModalContainerEventFilter(
       SystemModalContainerEventFilterDelegate* delegate);
   virtual ~SystemModalContainerEventFilter();
 
   // Overridden from ui::EventHandler:
-  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
-  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
+  virtual void OnKeyEvent(ui::KeyEvent* event) override;
+  virtual void OnMouseEvent(ui::MouseEvent* event) override;
 
  private:
   SystemModalContainerEventFilterDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemModalContainerEventFilter);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_SYSTEM_MODAL_CONTAINER_EVENT_FILTER_H_