Add OVERRIDE to chrome/browser/chromeos/.

chrome/browser/chromeos/login/client_login_response_handler.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_BROWSER_CHROMEOS_LOGIN_CLIENT_LOGIN_RESPONSE_HANDLER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_CLIENT_LOGIN_RESPONSE_HANDLER_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/compiler_specific.h"
 #include "chrome/browser/chromeos/login/auth_response_handler.h"
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace chromeos {
 
 // Handles responses to a fetch executed upon the Google Accounts ClientLogin
 // endpoint.  The cookies that are sent back in the response body are
 // reformatted into a request for an time-limited authorization token, which
 // is then sent to the IssueAuthToken endpoint.
 class ClientLoginResponseHandler : public AuthResponseHandler {
  public:
   explicit ClientLoginResponseHandler(net::URLRequestContextGetter* getter)
       : getter_(getter) {}
   virtual ~ClientLoginResponseHandler() {}
 
   // Overridden from AuthResponseHandler.
-  virtual bool CanHandle(const GURL& url);
+  virtual bool CanHandle(const GURL& url) OVERRIDE;
 
   // Overridden from AuthResponseHandler.
   // Takes in a response from ClientLogin, formats into an appropriate query
   // to sent to IssueAuthToken and issues said query.  |catcher| will receive
   // the response to the fetch.
-  virtual content::URLFetcher* Handle(const std::string& to_process,
-                                      content::URLFetcherDelegate* catcher);
+  virtual content::URLFetcher* Handle(
+      const std::string& to_process,
+      content::URLFetcherDelegate* catcher) OVERRIDE;
 
   // exposed for tests.
   std::string payload() { return payload_; }
 
   // A string that tells the Accounts backend to which service we're trying to
   // authenticate.
   static const char kService[];
  private:
   std::string payload_;
   net::URLRequestContextGetter* getter_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientLoginResponseHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_CLIENT_LOGIN_RESPONSE_HANDLER_H_