Standardize usage of virtual/override/final specifiers.

ash/wm/overview/window_selector_window.h

 // Copyright 2013 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_OVERVIEW_WINDOW_SELECTOR_WINDOW_H_
 #define ASH_WM_OVERVIEW_WINDOW_SELECTOR_WINDOW_H_
 
 #include "ash/wm/overview/scoped_transform_overview_window.h"
 #include "ash/wm/overview/window_selector_item.h"
 #include "base/compiler_specific.h"
 #include "ui/gfx/rect.h"
 
 namespace aura {
 class Window;
 }
 
 namespace views {
 class Widget;
 }
 
 namespace ash {
 
 // This implements a window overview item with a single window which can be
 // selected.
 class WindowSelectorWindow : public WindowSelectorItem {
  public:
   explicit WindowSelectorWindow(aura::Window* window);
-  virtual ~WindowSelectorWindow();
+  ~WindowSelectorWindow() override;
 
   // WindowSelectorItem:
-  virtual aura::Window* GetRootWindow() override;
-  virtual bool HasSelectableWindow(const aura::Window* window) override;
-  virtual bool Contains(const aura::Window* target) override;
-  virtual void RestoreWindowOnExit(aura::Window* window) override;
-  virtual aura::Window* SelectionWindow() override;
-  virtual void RemoveWindow(const aura::Window* window) override;
-  virtual bool empty() const override;
-  virtual void PrepareForOverview() override;
-  virtual void SetItemBounds(aura::Window* root_window,
-                             const gfx::Rect& target_bounds,
-                             bool animate) override;
-  virtual void SetOpacity(float opacity) override;
+  aura::Window* GetRootWindow() override;
+  bool HasSelectableWindow(const aura::Window* window) override;
+  bool Contains(const aura::Window* target) override;
+  void RestoreWindowOnExit(aura::Window* window) override;
+  aura::Window* SelectionWindow() override;
+  void RemoveWindow(const aura::Window* window) override;
+  bool empty() const override;
+  void PrepareForOverview() override;
+  void SetItemBounds(aura::Window* root_window,
+                     const gfx::Rect& target_bounds,
+                     bool animate) override;
+  void SetOpacity(float opacity) override;
 
  private:
   // The window with a scoped transform represented by this selector item.
   ScopedTransformOverviewWindow transform_window_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowSelectorWindow);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_OVERVIEW_WINDOW_SELECTOR_WINDOW_H_