Remove duplicated headers from platform/

Source/platform/mediastream/MediaStreamSource.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/mediastream/MediaStreamSource.h"
 
-#include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
 PassRefPtr<MediaStreamSource> MediaStreamSource::create(const String& id, Type type, const String& name, ReadyState readyState, bool requiresConsumer)
 {
     return adoptRef(new MediaStreamSource(id, type, name, readyState, requiresConsumer));
 }
 
 MediaStreamSource::MediaStreamSource(const String& id, Type type, const String& name, ReadyState readyState, bool requiresConsumer)
     : m_id(id)
@@ skipping 54 matching lines @@
 
 void MediaStreamSource::consumeAudio(AudioBus* bus, size_t numberOfFrames)
 {
     ASSERT(m_requiresConsumer);
     MutexLocker locker(m_audioConsumersLock);
     for (Vector<RefPtr<AudioDestinationConsumer> >::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it)
         (*it)->consumeAudio(bus, numberOfFrames);
 }
 
 } // namespace WebCore