Include wtf/RefCounted.h less often in modules/

Source/modules/webaudio/AudioParamTimeline.h

 /*
  * Copyright (C) 2011 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 @@
  * 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.
  */
 
 #ifndef AudioParamTimeline_h
 #define AudioParamTimeline_h
 
 #include "modules/webaudio/AudioContext.h"
 #include "wtf/Float32Array.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
+#include "wtf/Forward.h"
 #include "wtf/Threading.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
 class AudioParamTimeline {
 public:
     AudioParamTimeline()
     {
     }
@@ skipping 60 matching lines @@
     float valuesForTimeRangeImpl(double startTime, double endTime, float defaultValue, float* values, unsigned numberOfValues, double sampleRate, double controlRate);
 
     Vector<ParamEvent> m_events;
 
     Mutex m_eventsLock;
 };
 
 } // namespace WebCore
 
 #endif // AudioParamTimeline_h