Clean up unnecessary PassRefPtr.h include in modules

Source/modules/crypto/KeyAlgorithm.h

 /*
  * Copyright (C) 2013 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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef KeyAlgorithm_h
 #define KeyAlgorithm_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebCryptoKeyAlgorithm.h"
 #include "wtf/Forward.h"
-#include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class KeyAlgorithm : public GarbageCollectedFinalized<KeyAlgorithm>, public ScriptWrappable {
 public:
     virtual ~KeyAlgorithm();
 
     static KeyAlgorithm* create(const blink::WebCryptoKeyAlgorithm&);
     static KeyAlgorithm* createHash(const blink::WebCryptoAlgorithm&);
@@ skipping 13 matching lines @@
 
     blink::WebCryptoKeyAlgorithm m_algorithm;
 };
 
 #define DEFINE_KEY_ALGORITHM_TYPE_CASTS(thisType) \
     DEFINE_TYPE_CASTS(thisType, KeyAlgorithm, value, value->is##thisType(), value.is##thisType())
 
 } // namespace WebCore
 
 #endif