InlinedVisitor: Migrate dom to use inlined tracing

Source/core/dom/NodeIterator.cpp

 /*
  * 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 192 matching lines @@
             if (willRemoveReferenceNodeAncestor) {
                 while (node && node->isDescendantOf(&removedNode))
                     node = NodeTraversal::previous(*node, root());
             }
             if (node)
                 referenceNode.node = node;
         }
     }
 }
 
-void NodeIterator::trace(Visitor* visitor)
+DEFINE_TRACE(NodeIterator)
 {
     visitor->trace(m_referenceNode);
     visitor->trace(m_candidateNode);
     NodeIteratorBase::trace(visitor);
 }
 
 } // namespace blink