Add OVERRIDE to content/.

content/ppapi_plugin/ppapi_webkit_thread.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_PPAPI_PLUGIN_PPAPI_WEBKIT_THREAD_H_
 #define CONTENT_PPAPI_PLUGIN_PPAPI_WEBKIT_THREAD_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 15 matching lines @@
       const base::Closure& task);
 
  private:
   // Must be private so that we can carefully control its lifetime.
   class InternalWebKitThread : public base::Thread {
    public:
     InternalWebKitThread();
     virtual ~InternalWebKitThread();
     // Does the actual initialization and shutdown of WebKit.  Called at the
     // beginning and end of the thread's lifetime.
-    virtual void Init();
-    virtual void CleanUp();
+    virtual void Init() OVERRIDE;
+    virtual void CleanUp() OVERRIDE;
 
    private:
     // The WebKitPlatformSupport implementation.  Only access on WebKit thread.
     scoped_ptr<PpapiWebKitPlatformSupportImpl> webkit_platform_support_;
   };
 
   // Pointer to the actual WebKitThread.
   scoped_ptr<InternalWebKitThread> webkit_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(PpapiWebKitThread);
 };
 
 #endif  // CONTENT_PPAPI_PLUGIN_PPAPI_WEBKIT_THREAD_H_