InlinedVisitor: Migrate dom to use inlined tracing

Source/core/dom/NodeIteratorBase.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 23 matching lines @@
 class Node;
 class NodeFilter;
 
 class NodeIteratorBase : public WillBeGarbageCollectedMixin {
     DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(NodeIteratorBase);
 public:
     Node* root() const { return m_root.get(); }
     unsigned whatToShow() const { return m_whatToShow; }
     NodeFilter* filter() const { return m_filter.get(); }
 
-    virtual void trace(Visitor*);
+    DECLARE_VIRTUAL_TRACE();
 
 protected:
     NodeIteratorBase(PassRefPtrWillBeRawPtr<Node>, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter>);
     short acceptNode(Node*, ExceptionState&) const;
 
 private:
     RefPtrWillBeMember<Node> m_root;
     unsigned m_whatToShow;
     RefPtrWillBeMember<NodeFilter> m_filter;
 };
 
 } // namespace blink
 
 #endif // NodeIteratorBase_h