Parameter to Node.isSameNode() / isEqualNode() should be mandatory as per the specification: - https://dom.spec.whatwg.org/#interface-node Chrome and Firefox agree with the specification (although Firefox does not support isSameNode()).
Created attachment 284302 [details] Patch
Comment on attachment 284302 [details] Patch Clearing flags on attachment: 284302 Committed r203552: <http://trac.webkit.org/changeset/203552>
All reviewed patches have been landed. Closing bug.