Update {virtual,override,final} to follow C++11 style.

content/browser/frame_host/render_widget_host_view_guest.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 CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 106 matching lines @@
       const NativeWebKeyboardEvent& event) override;
 #endif  // defined(OS_MACOSX)
 
 #if defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
   // RenderWidgetHostViewBase implementation.
   void ShowDisambiguationPopup(const gfx::Rect& rect_pixels,
                                const SkBitmap& zoomed_bitmap) override;
 #endif  // defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
 
 #if defined(OS_ANDROID)
-  virtual void LockCompositingSurface() override;
-  virtual void UnlockCompositingSurface() override;
+  void LockCompositingSurface() override;
+  void UnlockCompositingSurface() override;
 #endif  // defined(OS_ANDROID)
 
 #if defined(OS_WIN)
   virtual void SetParentNativeViewAccessible(
       gfx::NativeViewAccessible accessible_parent) override;
   virtual gfx::NativeViewId GetParentForWindowlessPlugin() const override;
 #endif
 
   // Overridden from ui::GestureEventHelper.
   bool CanDispatchToConsumer(ui::GestureConsumer* consumer) override;
@@ skipping 32 matching lines @@
   base::WeakPtr<RenderWidgetHostViewBase> platform_view_;
 #if defined(USE_AURA)
   scoped_ptr<ui::GestureRecognizer> gesture_recognizer_;
 #endif
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewGuest);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_