Getting rid of duplicate includes from media/

media/audio/win/waveout_output_win.cc

 // 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.
 
 #include "media/audio/win/waveout_output_win.h"
 
-#include <windows.h>
-#include <mmsystem.h>
 #pragma comment(lib, "winmm.lib")
 
 #include "base/atomicops.h"
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/win/audio_manager_win.h"
 
 namespace media {
@@ skipping 369 matching lines @@
                                        buffer,
                                        sizeof(WAVEHDR));
       if (result != MMSYSERR_NOERROR)
         stream->HandleError(result);
       stream->pending_bytes_ += buffer->dwBufferLength;
     }
   }
 }
 
 }  // namespace media