Add OVERRIDE to chrome/renderer.

chrome/renderer/spellchecker/spellcheck_provider.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_SPELLCHECKER_SPELLCHECK_PROVIDER_H_
 #define CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_PROVIDER_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 32 matching lines @@
   virtual bool is_using_platform_spelling_engine() const;
 
   // The number of ongoing IPC requests.
   size_t pending_text_request_size() const {
     return text_check_completions_.size();
   }
 
   int document_tag() const { return document_tag_; }
 
   // RenderViewObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message);
-  virtual void FocusedNodeChanged(const WebKit::WebNode& node);
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+  virtual void FocusedNodeChanged(const WebKit::WebNode& node) OVERRIDE;
 
   void SetSpellCheck(SpellCheck* spellcheck);
 
  private:
   // WebKit::WebSpellCheckClient implementation.
   virtual void spellCheck(
       const WebKit::WebString& text,
       int& offset,
       int& length,
       WebKit::WebVector<WebKit::WebString>* optional_suggestions);
@@ skipping 31 matching lines @@
   // True if the browser is showing the spelling panel for us.
   bool spelling_panel_visible_;
 
   // Spellcheck implementation for use. Weak reference.
   SpellCheck* spellcheck_;
 
   DISALLOW_COPY_AND_ASSIGN(SpellCheckProvider);
 };
 
 #endif  // CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_PROVIDER_H_