FBTF: Remove unneeded headers from base/ (part 2)

chrome/browser/sync/engine/auth_watcher.h

 // Copyright (c) 2006-2009 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.
 //
 // AuthWatcher watches authentication events and user open and close
 // events and accordingly opens and closes shares.
 
 #ifndef CHROME_BROWSER_SYNC_ENGINE_AUTH_WATCHER_H_
 #define CHROME_BROWSER_SYNC_ENGINE_AUTH_WATCHER_H_
 #pragma once
 
 #include <map>
 #include <string>
 
-#include "base/atomicops.h"
 #include "base/gtest_prod_util.h"
 #include "base/message_loop_proxy.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/thread.h"
 #include "chrome/browser/sync/protocol/service_constants.h"
 #include "chrome/browser/sync/util/sync_types.h"
 #include "chrome/common/deprecated/event_sys.h"
 #include "chrome/common/net/gaia/gaia_authenticator.h"
 
@@ skipping 190 matching lines @@
   base::Thread auth_backend_thread_;
   scoped_refptr<base::MessageLoopProxy> loop_proxy_;
 
   AuthWatcherEvent::AuthenticationTrigger current_attempt_trigger_;
   DISALLOW_COPY_AND_ASSIGN(AuthWatcher);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_ENGINE_AUTH_WATCHER_H_