Change X-Auto-Login implementation to use OAuth token.

chrome/browser/signin/token_service_unittest.h

 // Copyright (c) 2012 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.
 //
 // This file defines a unit test harness for the profile's token service.
 
 #ifndef CHROME_BROWSER_SIGNIN_TOKEN_SERVICE_UNITTEST_H_
 #define CHROME_BROWSER_SIGNIN_TOKEN_SERVICE_UNITTEST_H_
 #pragma once
 
@@ skipping 54 matching lines @@
   virtual void SetUp() OVERRIDE;
 
   virtual void TearDown() OVERRIDE;
 
   void WaitForDBLoadCompletion();
 
   MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;  // Mostly so DCHECKS pass.
   content::TestBrowserThread db_thread_;  // WDS on here
 
-  TokenService service_;
+  TokenService* service_;
   TokenAvailableTracker success_tracker_;
   TokenFailedTracker failure_tracker_;
   GaiaAuthConsumer::ClientLoginResult credentials_;
   std::string oauth_token_;
   std::string oauth_secret_;
   scoped_ptr<TestingProfile> profile_;
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_TOKEN_SERVICE_UNITTEST_H_