Include wtf/RefCounted.h less often in modules/

Source/modules/mediasource/SourceBuffer.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 19 matching lines @@
 
 #ifndef SourceBuffer_h
 #define SourceBuffer_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/fileapi/FileReaderLoaderClient.h"
 #include "modules/EventTargetModules.h"
 #include "platform/AsyncMethodRunner.h"
 #include "platform/weborigin/KURL.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/PassRefPtr.h"
+#include "wtf/Forward.h"
 #include "wtf/RefCounted.h"
-#include "wtf/RefPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 class WebSourceBuffer;
 }
 
 namespace WebCore {
 
 class ExceptionState;
 class FileReaderLoader;
@@ skipping 88 matching lines @@
     bool m_streamMaxSizeValid;
     unsigned long long m_streamMaxSize;
     AsyncMethodRunner<SourceBuffer> m_appendStreamAsyncPartRunner;
     RefPtrWillBeMember<Stream> m_stream;
     OwnPtr<FileReaderLoader> m_loader;
 };
 
 } // namespace WebCore
 
 #endif