Remove unused include in sequenced_worker_pool.h

remoting/client/queued_task_poster.h

 // Copyright 2016 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 REMOTING_CLIENT_QUEUED_TASK_POSTER_H_
 #define REMOTING_CLIENT_QUEUED_TASK_POSTER_H_
 
 #include <memory>
 #include <queue>
 
 #include "base/callback.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
+#include "base/single_thread_task_runner.h"
 
 namespace remoting {
 
 // This is a helper class ensuring tasks posted to |target_task_runner| inside
 // the same task slot will be queued up and executed together after current
 // task is done on |source_task_runner|. This can prevent unrelated tasks to
 // be scheduled on |target_task_runner| in between the task sequence.
 // This class can be created on any thread but must be used and deleted on the
 // thread of |source_task_runner|.
 class QueuedTaskPoster {
@@ skipping 15 matching lines @@
   bool transfer_task_scheduled_ = false;
 
   base::WeakPtrFactory<QueuedTaskPoster> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QueuedTaskPoster);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_QUEUED_TASK_POSTER_H_