Fix IWYU violators that don't include scoped_ptr.h in Windows build.

media/audio/win/audio_device_listener_win.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 MEDIA_AUDIO_WIN_AUDIO_DEVICE_LISTENER_WIN_H_
 #define MEDIA_AUDIO_WIN_AUDIO_DEVICE_LISTENER_WIN_H_
 
 #include <MMDeviceAPI.h>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
 #include "base/win/scoped_comptr.h"
 #include "media/base/media_export.h"
 
 using base::win::ScopedComPtr;
 
 namespace base {
 class TickClock;
 }
@@ skipping 43 matching lines @@
   base::ThreadChecker thread_checker_;
 
   scoped_ptr<base::TickClock> tick_clock_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioDeviceListenerWin);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_WIN_AUDIO_DEVICE_LISTENER_WIN_H_