include RefCounted.h where needed, only.

third_party/WebKit/Source/core/html/track/TextTrackCueList.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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * 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 TextTrackCueList_h
 #define TextTrackCueList_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/html/track/TextTrackCue.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class TextTrackCueList final : public GarbageCollected<TextTrackCueList>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static TextTrackCueList* create()
     {
         return new TextTrackCueList;
@@ skipping 20 matching lines @@
     void invalidateCueIndex(size_t index);
     void clear();
 
     HeapVector<Member<TextTrackCue>> m_list;
     size_t m_firstInvalidIndex;
 };
 
 } // namespace blink
 
 #endif // TextTrackCueList_h