Include wtf/RefCounted.h less often in modules/

Source/modules/crypto/Crypto.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 15 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef Crypto_h
 #define Crypto_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "modules/crypto/SubtleCrypto.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
-#include "wtf/RefCounted.h"
-#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class ExceptionState;
 
 class Crypto : public GarbageCollectedFinalized<Crypto>, public ScriptWrappable {
 public:
     static Crypto* create()
     {
         return new Crypto();
     }
 
     void getRandomValues(ArrayBufferView*, ExceptionState&);
 
     SubtleCrypto* subtle();
 
     void trace(Visitor*);
 
 private:
     Crypto();
 
     Member<SubtleCrypto> m_subtleCrypto;
 };
 
 }
 
 #endif