include RefCounted.h where needed, only.

third_party/WebKit/Source/core/dom/DOMStringList.h

 /*
  * Copyright (C) 2010 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 11 matching lines @@
  * (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 DOMStringList_h
 #define DOMStringList_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class ExecutionContext;
 
 // FIXME: Some consumers of this class may benefit from lazily fetching items rather
 //        than creating the list statically as is currently the only option.
 class CORE_EXPORT DOMStringList final : public GarbageCollectedFinalized<DOMStringList>, public ScriptWrappable {
@@ skipping 29 matching lines @@
 private:
     explicit DOMStringList(Source source) : m_source(source) { }
 
     Vector<String> m_strings;
     Source m_source;
 };
 
 } // namespace blink
 
 #endif // DOMStringList_h