bindings: Adds virtual ScriptWrappable::wrap method.

Source/core/html/HTMLParamElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2006, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 10 matching lines @@
  */
 
 #ifndef HTMLParamElement_h
 #define HTMLParamElement_h
 
 #include "core/html/HTMLElement.h"
 
 namespace blink {
 
 class HTMLParamElement FINAL : public HTMLElement {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     DECLARE_NODE_FACTORY(HTMLParamElement);
 
     const AtomicString& name() const;
     const AtomicString& value() const;
 
     static bool isURLParameter(const String&);
 
 private:
     explicit HTMLParamElement(Document&);
 
     virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
 };
 
 } // namespace blink
 
-#endif
+#endif // HTMLParamElement_h