replace OVERRIDE and FINAL with override and final in ash/

ash/system/chromeos/brightness/tray_brightness.cc

 // 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.
 
 #include "ash/system/chromeos/brightness/tray_brightness.h"
 
 #include <algorithm>
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/ash_constants.h"
@@ skipping 43 matching lines @@
   virtual ~BrightnessView();
 
   bool is_default_view() const {
     return is_default_view_;
   }
 
   // |percent| is in the range [0.0, 100.0].
   void SetBrightnessPercent(double percent);
 
   // ShellObserver:
-  virtual void OnMaximizeModeStarted() OVERRIDE;
-  virtual void OnMaximizeModeEnded() OVERRIDE;
+  virtual void OnMaximizeModeStarted() override;
+  virtual void OnMaximizeModeEnded() override;
 
  private:
   // views::View:
-  virtual void OnBoundsChanged(const gfx::Rect& old_bounds) OVERRIDE;
+  virtual void OnBoundsChanged(const gfx::Rect& old_bounds) override;
 
   // views:SliderListener:
   virtual void SliderValueChanged(views::Slider* sender,
                                   float value,
                                   float old_value,
-                                  views::SliderChangeReason reason) OVERRIDE;
+                                  views::SliderChangeReason reason) override;
 
   // views:SliderListener:
-  virtual void SliderDragStarted(views::Slider* slider) OVERRIDE;
-  virtual void SliderDragEnded(views::Slider* slider) OVERRIDE;
+  virtual void SliderDragStarted(views::Slider* slider) override;
+  virtual void SliderDragEnded(views::Slider* slider) override;
 
   views::Slider* slider_;
 
   // Is |slider_| currently being dragged?
   bool dragging_;
 
   // True if this view is for the default tray view. Used to control hide/show
   // behaviour of the default view when entering or leaving Maximize Mode.
   bool is_default_view_;
 
@@ skipping 186 matching lines @@
   if (!Shell::GetInstance()->display_manager()->HasInternalDisplay())
     return;
 
   if (brightness_view_)
     SetDetailedViewCloseDelay(kTrayPopupAutoCloseDelayInSeconds);
   else
     PopupDetailedView(kTrayPopupAutoCloseDelayInSeconds, false);
 }
 
 }  // namespace ash