Add OVERRIDE to chrome/test/.

chrome/test/base/chrome_test_suite.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_TEST_BASE_CHROME_TEST_SUITE_H_
 #define CHROME_TEST_BASE_CHROME_TEST_SUITE_H_
 #pragma once
 
 #include <string>
 
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/test/test_suite.h"
 #include "chrome/app/scoped_ole_initializer.h"
 
 namespace base {
 class StatsTable;
 }
 
 class ChromeTestSuite : public base::TestSuite {
  public:
   ChromeTestSuite(int argc, char** argv);
   virtual ~ChromeTestSuite();
 
  protected:
-  virtual void Initialize();
-  virtual void Shutdown();
+  virtual void Initialize() OVERRIDE;
+  virtual void Shutdown() OVERRIDE;
 
   void SetBrowserDirectory(const FilePath& browser_dir) {
     browser_dir_ = browser_dir;
   }
 
   // Alternative path to browser binaries.
   FilePath browser_dir_;
 
   std::string stats_filename_;
   scoped_ptr<base::StatsTable> stats_table_;
 
   ScopedOleInitializer ole_initializer_;
 };
 
 #endif  // CHROME_TEST_BASE_CHROME_TEST_SUITE_H_