Revive reverted CL with fix for CrOS build.

chrome/common/net/gaia/oauth2_access_token_fetcher.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_COMMON_NET_GAIA_OAUTH2_ACCESS_TOKEN_FETCHER_H_
 #define CHROME_COMMON_NET_GAIA_OAUTH2_ACCESS_TOKEN_FETCHER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 47 matching lines @@
     GET_ACCESS_TOKEN_STARTED,
     GET_ACCESS_TOKEN_DONE,
     ERROR_STATE,
   };
 
   // Helper methods for the flow.
   void StartGetAccessToken();
   void EndGetAccessToken(const content::URLFetcher* source);
 
   // Helper mehtods for reporting back results.
-  void ReportSuccess(const std::string& access_token);
-  void ReportFailure(GoogleServiceAuthError error);
+  void OnGetTokenSuccess(const std::string& access_token);
+  void OnGetTokenFailure(GoogleServiceAuthError error);
 
   // Other helpers.
   static GURL MakeGetAccessTokenUrl();
   static std::string MakeGetAccessTokenBody(const std::string& refresh_token);
   static bool ParseGetAccessTokenResponse(const content::URLFetcher* source,
                                           std::string* access_token);
 
   // State that is set during construction.
   OAuth2AccessTokenConsumer* const consumer_;
   net::URLRequestContextGetter* const getter_;
   std::string source_;
   State state_;
 
   // While a fetch is in progress.
   scoped_ptr<content::URLFetcher> fetcher_;
   std::string refresh_token_;
 
   friend class OAuth2AccessTokenFetcherTest;
   FRIEND_TEST_ALL_PREFIXES(OAuth2AccessTokenFetcherTest,
                            ParseGetAccessTokenResponse);
 
   DISALLOW_COPY_AND_ASSIGN(OAuth2AccessTokenFetcher);
 };
 
 #endif  // CHROME_COMMON_NET_GAIA_OAUTH2_ACCESS_TOKEN_FETCHER_H_