Include wtf/RefCounted.h less often in modules/

Source/modules/websockets/WebSocketChannel.h

 /*
  * Copyright (C) 2009 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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebSocketChannel_h
 #define WebSocketChannel_h
 
 #include "core/frame/ConsoleTypes.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class BlobDataHandle;
 class KURL;
 class ExecutionContext;
 class WebSocketChannelClient;
 
@@ skipping 62 matching lines @@
     virtual void resume() = 0;
 
     virtual ~WebSocketChannel() { }
 
     virtual void trace(Visitor*) { }
 };
 
 } // namespace WebCore
 
 #endif // WebSocketChannel_h