Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/tabs/media_indicator_button.h

 // Copyright 2014 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 CHROME_BROWSER_UI_VIEWS_TABS_MEDIA_INDICATOR_BUTTON_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_MEDIA_INDICATOR_BUTTON_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/tabs/tab_utils.h"
 #include "ui/views/controls/button/image_button.h"
@@ skipping 12 matching lines @@
 // button functionality is enabled and begins handling mouse events.  Otherwise,
 // this view behaves like an image and all mouse events will be handled by the
 // Tab (its parent View).
 class MediaIndicatorButton : public views::ImageButton,
                              public views::ViewTargeterDelegate {
  public:
   // The MediaIndicatorButton's class name.
   static const char kViewClassName[];
 
   MediaIndicatorButton();
-  virtual ~MediaIndicatorButton();
+  ~MediaIndicatorButton() override;
 
   // Returns the current TabMediaState except, while the indicator image is
   // fading out, returns the prior TabMediaState.
   TabMediaState showing_media_state() const {
     return showing_media_state_;
   }
 
   // Updates ImageButton images, starts fade animations, and
   // activates/deactivates button functionality as appropriate.
   void TransitionToMediaState(TabMediaState next_state);
 
  protected:
   // views::View:
-  virtual const char* GetClassName() const override;
-  virtual View* GetTooltipHandlerForPoint(const gfx::Point& point) override;
-  virtual bool OnMouseDragged(const ui::MouseEvent& event) override;
-  virtual void OnPaint(gfx::Canvas* canvas) override;
+  const char* GetClassName() const override;
+  View* GetTooltipHandlerForPoint(const gfx::Point& point) override;
+  bool OnMouseDragged(const ui::MouseEvent& event) override;
+  void OnPaint(gfx::Canvas* canvas) override;
 
   // views::ViewTargeterDelegate
-  virtual bool DoesIntersectRect(const View* target,
-                                 const gfx::Rect& rect) const override;
+  bool DoesIntersectRect(const View* target,
+                         const gfx::Rect& rect) const override;
 
   // views::Button:
-  virtual void NotifyClick(const ui::Event& event) override;
+  void NotifyClick(const ui::Event& event) override;
 
  private:
   class FadeAnimationDelegate;
 
   TabMediaState media_state_;
 
   // Media indicator fade-in/out animation (i.e., only on show/hide, not a
   // continuous animation).
   scoped_ptr<gfx::AnimationDelegate> fade_animation_delegate_;
   scoped_ptr<gfx::Animation> fade_animation_;
   TabMediaState showing_media_state_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaIndicatorButton);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_MEDIA_INDICATOR_BUTTON_H_