Standardize usage of virtual/override/final specifiers.

ash/ime/infolist_window.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_IME_INFOLIST_WINDOW_H_
 #define ASH_IME_INFOLIST_WINDOW_H_
 
 #include <string>
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/timer/timer.h"
 #include "ui/base/ime/infolist_entry.h"
 #include "ui/gfx/font_list.h"
 #include "ui/views/bubble/bubble_delegate.h"
 
 namespace ash {
 namespace ime {
 
 class InfolistEntryView;
 
 // A widget delegate representing the infolist window UI.
 class ASH_EXPORT InfolistWindow : public views::BubbleDelegateView {
  public:
   InfolistWindow(views::View* candidate_window,
                  const std::vector<ui::InfolistEntry>& entries);
-  virtual ~InfolistWindow();
+  ~InfolistWindow() override;
   void InitWidget();
 
   // Updates infolist contents with |entries|.
   void Relayout(const std::vector<ui::InfolistEntry>& entries);
 
   // Show/hide itself with a delay.
   void ShowWithDelay();
   void HideWithDelay();
 
   // Show/hide without delays.
   void ShowImmediately();
   void HideImmediately();
 
  private:
   // views::WidgetDelegate implementation.
-  virtual void WindowClosing() override;
+  void WindowClosing() override;
 
   // The list of visible entries. Owned by views hierarchy.
   std::vector<InfolistEntryView*> entry_views_;
 
   // Information title font.
   gfx::FontList title_font_list_;
 
   // Information description font.
   gfx::FontList description_font_list_;
 
   base::OneShotTimer<views::Widget> show_hide_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(InfolistWindow);
 };
 
 }  // namespace ime
 }  // namespace ash
 
 #endif  // ASH_IME_INFOLIST_WINDOW_H_