Standardize usage of virtual/override/final specifiers.

ash/wm/resize_shadow_controller.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_RESIZE_SHADOW_CONTROLLER_H_
 #define ASH_WM_RESIZE_SHADOW_CONTROLLER_H_
 
 #include <map>
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/linked_ptr.h"
 #include "ui/aura/window_observer.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ash {
 class ResizeShadow;
 
 // ResizeShadowController observes changes to resizable windows and shows
 // a resize handle visual effect when the cursor is near the edges.
 class ASH_EXPORT ResizeShadowController : public aura::WindowObserver {
  public:
   ResizeShadowController();
-  virtual ~ResizeShadowController();
+  ~ResizeShadowController() override;
 
   // Shows the appropriate shadow for a given |window| and |hit_test| location.
   void ShowShadow(aura::Window* window, int hit_test);
 
   // Hides the shadow for a |window|, if it has one.
   void HideShadow(aura::Window* window);
 
   ResizeShadow* GetShadowForWindowForTest(aura::Window* window);
 
   // aura::WindowObserver overrides:
-  virtual void OnWindowBoundsChanged(
-      aura::Window* window,
-      const gfx::Rect& old_bounds,
-      const gfx::Rect& new_bounds) override;
-  virtual void OnWindowDestroyed(aura::Window* window) override;
+  void OnWindowBoundsChanged(aura::Window* window,
+                             const gfx::Rect& old_bounds,
+                             const gfx::Rect& new_bounds) override;
+  void OnWindowDestroyed(aura::Window* window) override;
 
  private:
   typedef std::map<aura::Window*, linked_ptr<ResizeShadow> > WindowShadowMap;
 
   // Creates a shadow for a given window and returns it.  |window_shadows_|
   // owns the memory.
   ResizeShadow* CreateShadow(aura::Window* window);
 
   // Returns the resize shadow for |window| or NULL if no shadow exists.
   ResizeShadow* GetShadowForWindow(aura::Window* window);
 
   WindowShadowMap window_shadows_;
 
   DISALLOW_COPY_AND_ASSIGN(ResizeShadowController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_RESIZE_SHADOW_CONTROLLER_H_