JSKeyValueIterator takes JSWrapper and DOMWrapped as template parameter. It may be possible to use type_traits to infer DOMWrapped from JSWrapper::wrapped().
Created attachment 270645 [details] Patch
Created attachment 270740 [details] Patch for landing
Comment on attachment 270740 [details] Patch for landing Clearing flags on attachment: 270740 Committed r196170: <http://trac.webkit.org/changeset/196170>
All reviewed patches have been landed. Closing bug.