Update {virtual,override,final} to follow C++11 style chrome/browser/ui.

chrome/browser/ui/ash/ime_controller_chromeos.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 CHROME_BROWSER_UI_ASH_IME_CONTROLLER_CHROMEOS_H_
 #define CHROME_BROWSER_UI_ASH_IME_CONTROLLER_CHROMEOS_H_
 
 #include "ash/ime_control_delegate.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 
 // A class which controls ime when an IME shortcut key such as Control+space is
 // pressed.
 class ImeController : public ash::ImeControlDelegate {
  public:
   ImeController() {}
-  virtual ~ImeController() {}
+  ~ImeController() override {}
 
   // Overridden from ash::ImeControlDelegate:
-  virtual bool CanCycleIme() override;
-  virtual void HandleNextIme() override;
-  virtual void HandlePreviousIme() override;
-  virtual bool CanSwitchIme(const ui::Accelerator& accelerator) override;
-  virtual void HandleSwitchIme(const ui::Accelerator& accelerator) override;
-  virtual ui::Accelerator RemapAccelerator(
-      const ui::Accelerator& accelerator) override;
+  bool CanCycleIme() override;
+  void HandleNextIme() override;
+  void HandlePreviousIme() override;
+  bool CanSwitchIme(const ui::Accelerator& accelerator) override;
+  void HandleSwitchIme(const ui::Accelerator& accelerator) override;
+  ui::Accelerator RemapAccelerator(const ui::Accelerator& accelerator) override;
 
  private:
   bool UsingFrenchInputMethod() const;
 
   DISALLOW_COPY_AND_ASSIGN(ImeController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_IME_CONTROLLER_CHROMEOS_H_