Add OVERRIDE to chrome/renderer.

chrome/renderer/translate_helper.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 CHROME_RENDERER_TRANSLATE_HELPER_H_
 #define CHROME_RENDERER_TRANSLATE_HELPER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 65 matching lines @@
   // The tag may specify several languages, the first one is returned.
   // Example of such meta-tag:
   // <meta http-equiv="content-language" content="en, fr">
   static std::string GetPageLanguageFromMetaTag(WebKit::WebDocument* document);
 
   // Returns the ISO 639_1 language code of the specified |text|, or 'unknown'
   // if it failed.
   static std::string DetermineTextLanguage(const string16& text);
 
   // RenderViewObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message);
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // Cancels any translation that is currently being performed.  This does not
   // revert existing translations.
   void CancelPendingTranslation();
 
   // Checks if the current running page translation is finished or errored and
   // notifies the browser accordingly.  If the translation has not terminated,
   // posts a task to check again later.
   void CheckTranslateStatus();
 
@@ skipping 33 matching lines @@
   std::string source_lang_;
   std::string target_lang_;
 
   // Method factory used to make calls to TranslatePageImpl.
   base::WeakPtrFactory<TranslateHelper> weak_method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateHelper);
 };
 
 #endif  // CHROME_RENDERER_TRANSLATE_HELPER_H_