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

content/test/test_render_view_host.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 CONTENT_TEST_TEST_RENDER_VIEW_HOST_H_
 #define CONTENT_TEST_TEST_RENDER_VIEW_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 106 matching lines @@
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
       const base::Callback<void(bool)>& callback) override;
   bool CanCopyToVideoFrame() const override;
   bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
 #if defined(OS_MACOSX)
   bool PostProcessEventForPluginIme(
       const NativeWebKeyboardEvent& event) override;
 #endif
 #if defined(OS_ANDROID)
-  virtual void LockCompositingSurface() override {}
-  virtual void UnlockCompositingSurface() override {}
+  void LockCompositingSurface() override {}
+  void UnlockCompositingSurface() override {}
 #endif
   void GetScreenInfo(blink::WebScreenInfo* results) override {}
   gfx::Rect GetBoundsInRootWindow() override;
   gfx::GLSurfaceHandle GetCompositingSurface() override;
   bool LockMouse() override;
   void UnlockMouse() override;
 #if defined(OS_WIN)
   virtual void SetParentNativeViewAccessible(
       gfx::NativeViewAccessible accessible_parent) override;
   virtual gfx::NativeViewId GetParentForWindowlessPlugin() const override;
@@ skipping 180 matching lines @@
  private:
   typedef scoped_ptr<ui::test::ScopedSetSupportedScaleFactors>
       ScopedSetSupportedScaleFactors;
   ScopedSetSupportedScaleFactors scoped_set_supported_scale_factors_;
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostImplTestHarness);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_TEST_RENDER_VIEW_HOST_H_