bindings: Adds virtual ScriptWrappable::wrap method.

Source/core/dom/TreeWalker.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2008 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
@@ skipping 19 matching lines @@
 #include "core/dom/NodeIteratorBase.h"
 #include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
 class ExceptionState;
 
 class TreeWalker FINAL : public RefCountedWillBeGarbageCollected<TreeWalker>, public ScriptWrappable, public NodeIteratorBase {
+    DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(TreeWalker);
 public:
     static PassRefPtrWillBeRawPtr<TreeWalker> create(PassRefPtrWillBeRawPtr<Node> rootNode, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter> filter)
     {
         return adoptRefWillBeNoop(new TreeWalker(rootNode, whatToShow, filter));
     }
 
     Node* currentNode() const { return m_current.get(); }
     void setCurrentNode(PassRefPtrWillBeRawPtr<Node>, ExceptionState&);
 
@@ skipping 11 matching lines @@
     TreeWalker(PassRefPtrWillBeRawPtr<Node>, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter>);
 
     Node* setCurrent(PassRefPtrWillBeRawPtr<Node>);
 
     RefPtrWillBeMember<Node> m_current;
 };
 
 } // namespace blink
 
 #endif // TreeWalker_h