include RefCounted.h where needed, only.

third_party/WebKit/Source/platform/Prerender.h

 /*
  * Copyright (C) 2012 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 18 matching lines @@
  *
  */
 
 #ifndef Prerender_h
 #define Prerender_h
 
 #include "platform/PlatformExport.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/Referrer.h"
-#include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class PrerenderClient;
 
 class PLATFORM_EXPORT Prerender final : public GarbageCollectedFinalized<Prerender> {
     WTF_MAKE_NONCOPYABLE(Prerender);
 public:
@@ skipping 37 matching lines @@
     const KURL m_url;
     const unsigned m_relTypes;
     const Referrer m_referrer;
 
     RefPtr<ExtraData> m_extraData;
 };
 
 } // namespace blink
 
 #endif // Prerender_h