First part of work to move V8 binding integrity off of vtables.

Source/WebCore/dom/NodeIterator.cpp

Index: Source/WebCore/dom/NodeIterator.cpp
diff --git a/Source/WebCore/dom/NodeIterator.cpp b/Source/WebCore/dom/NodeIterator.cpp
index d03724d000f26e1d1256ede3db103ecc9c6e2cbd..a0ca3cb1e57a4f348a28a2f9dbcaae6be2fc9ec0 100644
--- a/Source/WebCore/dom/NodeIterator.cpp
+++ b/Source/WebCore/dom/NodeIterator.cpp
@@ -79,6 +79,7 @@ NodeIterator::NodeIterator(PassRefPtr<Node> rootNode, unsigned whatToShow, PassR
 {
     // Document type nodes may have a null document. But since they can't have children, there is no need to listen for modifications to these.
     ASSERT(root()->document() || root()->nodeType() == Node::DOCUMENT_TYPE_NODE);
+    ScriptWrappable::init(this);
     if (Document* ownerDocument = root()->document())
         ownerDocument->attachNodeIterator(this);
 }