Standardize usage of virtual/override/final specifiers.

ui/app_list/views/top_icon_animation_view.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 UI_APP_LIST_VIEWS_TOP_ICON_ANIMATION_VIEW_H_
 #define UI_APP_LIST_VIEWS_TOP_ICON_ANIMATION_VIEW_H_
 
 #include "base/observer_list.h"
 #include "ui/compositor/layer_animation_observer.h"
 #include "ui/views/view.h"
@@ skipping 23 matching lines @@
 class TopIconAnimationView : public views::View,
                              public ui::ImplicitAnimationObserver {
  public:
   // |icon|: The icon image of the item icon of full scale size.
   // |scaled_rect|: Bounds of the small icon inside folder icon.
   // |open_folder|: Specify open/close folder animation to perform.
   // The view will be self-cleaned by the end of animation.
   TopIconAnimationView(const gfx::ImageSkia& icon,
                        const gfx::Rect& scaled_rect,
                        bool open_folder);
-  virtual ~TopIconAnimationView();
+  ~TopIconAnimationView() override;
 
   void AddObserver(TopIconAnimationObserver* observer);
   void RemoveObserver(TopIconAnimationObserver* observer);
 
   // When opening a folder, transform the top item icon from the small icon
   // inside folder icon to the full scale icon at the target location.
   // When closing a folder, transform the full scale item icon from its
   // location to the small icon inside the folder icon.
   void TransformView();
 
  private:
   // views::View overrides:
-  virtual gfx::Size GetPreferredSize() const override;
-  virtual void Layout() override;
+  gfx::Size GetPreferredSize() const override;
+  void Layout() override;
 
   // ui::ImplicitAnimationObserver overrides:
-  virtual void OnImplicitAnimationsCompleted() override;
-  virtual bool RequiresNotificationWhenAnimatorDestroyed() const override;
+  void OnImplicitAnimationsCompleted() override;
+  bool RequiresNotificationWhenAnimatorDestroyed() const override;
 
   gfx::Size icon_size_;
   views::ImageView* icon_;  // Owned by views hierarchy.
   // Rect of the scaled down top item icon inside folder icon's ink bubble.
   gfx::Rect scaled_rect_;
   // true: opening folder; false: closing folder.
   bool open_folder_;
 
   ObserverList<TopIconAnimationObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TopIconAnimationView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_TOP_ICON_ANIMATION_VIEW_H_