Revert 198844 "Move sequenced_task_runner to base/task"

trunk/src/chrome/browser/chromeos/login/screen_locker.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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "base/task/sequenced_task_runner_helpers.h"
+#include "base/sequenced_task_runner_helpers.h"
 #include "base/time.h"
 #include "chrome/browser/chromeos/login/help_app_launcher.h"
 #include "chrome/browser/chromeos/login/login_status_consumer.h"
 #include "chrome/browser/chromeos/login/screen_locker_delegate.h"
 #include "ui/base/accelerators/accelerator.h"
 
 namespace content {
 class WebUI;
 }
 
@@ skipping 147 matching lines @@
   scoped_ptr<AuthenticationParametersCapture> authentication_capture_;
 
   base::WeakPtrFactory<ScreenLocker> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenLocker);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_H_