Standardize usage of virtual/override/final specifiers.

ui/views/controls/menu/menu_runner_impl_adapter.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_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_ADAPTER_H_
 #define UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_ADAPTER_H_
 
 #include "ui/views/controls/menu/menu_runner_impl_interface.h"
 
 namespace views {
 namespace internal {
 
 class MenuRunnerImpl;
 
 // Given a MenuModel, adapts MenuRunnerImpl which expects a MenuItemView.
 class MenuRunnerImplAdapter : public MenuRunnerImplInterface {
  public:
   explicit MenuRunnerImplAdapter(ui::MenuModel* menu_model);
 
   // MenuRunnerImplInterface:
-  virtual bool IsRunning() const override;
-  virtual void Release() override;
-  virtual MenuRunner::RunResult RunMenuAt(Widget* parent,
-                                          MenuButton* button,
-                                          const gfx::Rect& bounds,
-                                          MenuAnchorPosition anchor,
-                                          int32 types) override;
-  virtual void Cancel() override;
-  virtual base::TimeDelta GetClosingEventTime() const override;
+  bool IsRunning() const override;
+  void Release() override;
+  MenuRunner::RunResult RunMenuAt(Widget* parent,
+                                  MenuButton* button,
+                                  const gfx::Rect& bounds,
+                                  MenuAnchorPosition anchor,
+                                  int32 types) override;
+  void Cancel() override;
+  base::TimeDelta GetClosingEventTime() const override;
 
  private:
-  virtual ~MenuRunnerImplAdapter();
+  ~MenuRunnerImplAdapter() override;
 
   scoped_ptr<MenuModelAdapter> menu_model_adapter_;
   MenuRunnerImpl* impl_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuRunnerImplAdapter);
 };
 
 }  // namespace internal
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_ADAPTER_H_