Cleanup: Remove unneeded scoped_ptr.h includes from content.

content/renderer/media/audio_device_thread.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 CONTENT_RENDERER_MEDIA_AUDIO_DEVICE_THREAD_H_
 #define CONTENT_RENDERER_MEDIA_AUDIO_DEVICE_THREAD_H_
 #pragma once
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/sync_socket.h"
 #include "base/synchronization/lock.h"
 #include "content/common/content_export.h"
 #include "media/audio/audio_parameters.h"
 
 class MessageLoop;
 
 // Data transfer between browser and render process uses a combination
 // of sync sockets and shared memory. To read from the socket and render
@@ skipping 76 matching lines @@
   //    reliable initialization.
   class Thread;
 
   base::Lock thread_lock_;
   scoped_refptr<AudioDeviceThread::Thread> thread_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioDeviceThread);
 };
 
 #endif  // CONTENT_RENDERER_MEDIA_AUDIO_DEVICE_THREAD_H_