Standardize usage of virtual/override/final specifiers.

ash/wm/resize_handle_window_targeter.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 ASH_WM_RESIZE_HANDLE_WINDOW_TARGETER_H_
 #define ASH_WM_RESIZE_HANDLE_WINDOW_TARGETER_H_
 
 #include "ash/wm/window_state_observer.h"
 #include "ui/aura/window_observer.h"
 #include "ui/aura/window_targeter.h"
 #include "ui/gfx/geometry/insets.h"
 
 namespace ash {
 
 class ImmersiveFullscreenController;
 
 // To allow easy resize, the resize handles should slightly overlap the content
 // area of non-maximized and non-fullscreen windows. For immersive fullscreen
 // windows, this targeter makes sure that touch-events towards the top of the
 // screen are targeted to the window itself (instead of a child window that may
 // otherwise have been targeted) when the top-of-window views are not revealed.
 class ResizeHandleWindowTargeter : public wm::WindowStateObserver,
                                    public aura::WindowObserver,
                                    public aura::WindowTargeter {
  public:
   ResizeHandleWindowTargeter(aura::Window* window,
                              ImmersiveFullscreenController* immersive);
-  virtual ~ResizeHandleWindowTargeter();
+  ~ResizeHandleWindowTargeter() override;
 
  private:
   // wm::WindowStateObserver:
-  virtual void OnPostWindowStateTypeChange(
-      wm::WindowState* window_state,
-      wm::WindowStateType old_type) override;
+  void OnPostWindowStateTypeChange(wm::WindowState* window_state,
+                                   wm::WindowStateType old_type) override;
   // aura::WindowObserver:
-  virtual void OnWindowDestroying(aura::Window* window) override;
+  void OnWindowDestroying(aura::Window* window) override;
 
   // aura::WindowTargeter:
-  virtual ui::EventTarget* FindTargetForLocatedEvent(
-      ui::EventTarget* root,
-      ui::LocatedEvent* event) override;
-  virtual bool SubtreeShouldBeExploredForEvent(
-      ui::EventTarget* target,
-      const ui::LocatedEvent& event) override;
+  ui::EventTarget* FindTargetForLocatedEvent(ui::EventTarget* root,
+                                             ui::LocatedEvent* event) override;
+  bool SubtreeShouldBeExploredForEvent(ui::EventTarget* target,
+                                       const ui::LocatedEvent& event) override;
 
   // The targeter does not take ownership of |window_| or
   // |immersive_controller_|.
   aura::Window* window_;
   gfx::Insets frame_border_inset_;
   ImmersiveFullscreenController* immersive_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(ResizeHandleWindowTargeter);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_RESIZE_HANDLE_WINDOW_TARGETER_H_