Add OVERRIDE to content/.

content/renderer/render_widget.h

 // Copyright (c) 2011 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_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 78 matching lines @@
 
   // May return NULL when the window is closing.
   WebKit::WebWidget* webwidget() const { return webwidget_; }
 
   gfx::NativeViewId host_window() const { return host_window_; }
   gfx::Size size() const { return size_; }
   bool has_focus() const { return has_focus_; }
   bool is_fullscreen() const { return is_fullscreen_; }
 
   // IPC::Channel::Listener
-  virtual bool OnMessageReceived(const IPC::Message& msg);
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   // IPC::Message::Sender
-  virtual bool Send(IPC::Message* msg);
+  virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // WebKit::WebWidgetClient
   virtual void didInvalidateRect(const WebKit::WebRect&);
   virtual void didScrollRect(int dx, int dy, const WebKit::WebRect& clipRect);
   virtual void didActivateCompositor(int compositorIdentifier);
   virtual void didDeactivateCompositor();
   virtual void scheduleComposite();
   virtual void scheduleAnimation();
   virtual void didFocus();
   virtual void didBlur();
@@ skipping 355 matching lines @@
   bool animation_task_posted_;
   bool invalidation_task_posted_;
 
   bool has_disable_gpu_vsync_switch_;
   base::TimeTicks last_do_deferred_update_time_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_