Standardize usage of virtual/override/final specifiers.

ui/wm/core/shadow_controller.cc

 // 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.
 
 #include "ui/wm/core/shadow_controller.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 79 matching lines @@
 // EnvObserver).
 class ShadowController::Impl :
       public aura::EnvObserver,
       public aura::WindowObserver,
       public base::RefCounted<Impl> {
  public:
   // Returns the singleton instance, destroyed when there are no more refs.
   static Impl* GetInstance();
 
   // aura::EnvObserver override:
-  virtual void OnWindowInitialized(aura::Window* window) override;
+  void OnWindowInitialized(aura::Window* window) override;
 
   // aura::WindowObserver overrides:
-  virtual void OnWindowPropertyChanged(
-      aura::Window* window, const void* key, intptr_t old) override;
-  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 OnWindowPropertyChanged(aura::Window* window,
+                               const void* key,
+                               intptr_t old) override;
+  void OnWindowBoundsChanged(aura::Window* window,
+                             const gfx::Rect& old_bounds,
+                             const gfx::Rect& new_bounds) override;
+  void OnWindowDestroyed(aura::Window* window) override;
 
  private:
   friend class base::RefCounted<Impl>;
   friend class ShadowController;
   friend class ShadowController::TestApi;
 
   typedef std::map<aura::Window*, linked_ptr<Shadow> > WindowShadowMap;
 
   Impl();
-  virtual ~Impl();
+  ~Impl() override;
 
   // Forwarded from ShadowController.
   void OnWindowActivated(aura::Window* gained_active,
                          aura::Window* lost_active);
 
   // Checks if |window| is visible and contains a property requesting a shadow.
   bool ShouldShowShadowForWindow(aura::Window* window) const;
 
   // Returns |window|'s shadow from |window_shadows_|, or NULL if no shadow
   // exists.
@@ skipping 146 matching lines @@
   impl_->OnWindowActivated(gained_active, lost_active);
 }
 
 // ShadowController::TestApi ---------------------------------------------------
 
 Shadow* ShadowController::TestApi::GetShadowForWindow(aura::Window* window) {
   return controller_->impl_->GetShadowForWindow(window);
 }
 
 }  // namespace wm