Add OVERRIDE to ui/.

ui/base/animation/throb_animation.h

 // Copyright (c) 2011 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_BASE_ANIMATION_THROB_ANIMATION_H_
 #define UI_BASE_ANIMATION_THROB_ANIMATION_H_
 #pragma once
 
 #include "ui/base/animation/slide_animation.h"
 
@@ skipping 12 matching lines @@
   virtual ~ThrobAnimation() {}
 
   // Starts throbbing. cycles_til_stop gives the number of cycles to do before
   // stopping. A negative value means "throb indefinitely".
   void StartThrobbing(int cycles_til_stop);
 
   // Sets the duration of the slide animation when throbbing.
   void SetThrobDuration(int duration) { throb_duration_ = duration; }
 
   // Overridden to reset to the slide duration.
-  virtual void Reset();
-  virtual void Show();
-  virtual void Hide();
+  virtual void Reset() OVERRIDE;
+  virtual void Show() OVERRIDE;
+  virtual void Hide() OVERRIDE;
 
   // Overridden to maintain the slide duration.
-  virtual void SetSlideDuration(int duration);
+  virtual void SetSlideDuration(int duration) OVERRIDE;
 
   // The number of cycles remaining until the animation stops.
   void set_cycles_remaining(int value) { cycles_remaining_ = value; }
   int cycles_remaining() const { return cycles_remaining_; }
 
  protected:
   // Overriden to continually throb (assuming we're throbbing).
-  virtual void Step(base::TimeTicks time_now);
+  virtual void Step(base::TimeTicks time_now) OVERRIDE;
 
  private:
   // Resets state such that we behave like SlideAnimation.
   void ResetForSlide();
 
   // Duration of the slide animation.
   int slide_duration_;
 
   // Duration of the slide animation when throbbing.
   int throb_duration_;
 
   // If throbbing, this is the number of cycles left.
   int cycles_remaining_;
 
   // Are we throbbing?
   bool throbbing_;
 
   DISALLOW_COPY_AND_ASSIGN(ThrobAnimation);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_ANIMATION_THROB_ANIMATION_H_