Cleanup: Remove unneeded browser_thread.h usage.

chrome/browser/chromeos/login/online_attempt.h

 // Copyright (c) 2010 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_ONLINE_ATTEMPT_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_ONLINE_ATTEMPT_H_
 #pragma once
 
 #include <string>
 
 
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
-#include "chrome/browser/browser_thread.h"
 #include "chrome/browser/chromeos/login/login_status_consumer.h"
 #include "chrome/common/net/gaia/gaia_auth_consumer.h"
 #include "chrome/common/net/gaia/google_service_auth_error.h"
 
+class CancelableTask;
 class GaiaAuthFetcher;
 class Profile;
 
 namespace chromeos {
 class AuthAttemptState;
 class AuthAttemptStateResolver;
 
 class OnlineAttempt
     : public base::RefCountedThreadSafe<OnlineAttempt>,
       public GaiaAuthConsumer {
@@ skipping 33 matching lines @@
   // Whether we're willing to re-try the ClientLogin attempt.
   bool try_again_;
 
   friend class OnlineAttemptTest;
   DISALLOW_COPY_AND_ASSIGN(OnlineAttempt);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ONLINE_ATTEMPT_H_