Revert 198844 "Move sequenced_task_runner to base/task"

trunk/src/webkit/dom_storage/dom_storage_task_runner.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 WEBKIT_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_
 #define WEBKIT_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_
 
 #include "base/memory/ref_counted.h"
-#include "base/task/sequenced_task_runner.h"
+#include "base/sequenced_task_runner.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/time.h"
 #include "webkit/storage/webkit_storage_export.h"
 
 namespace base {
 class MessageLoopProxy;
 }
 
 namespace dom_storage {
 
@@ skipping 105 matching lines @@
  protected:
   virtual ~MockDomStorageTaskRunner();
 
  private:
   const scoped_refptr<base::MessageLoopProxy> message_loop_;
 };
 
 }  // namespace dom_storage
 
 #endif  // WEBKIT_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_