Change to standard: https://github.com/whatwg/dom/pull/359
"Recursive Filters need to throw" check is failing.
Created attachment 317616 [details]
Created attachment 317630 [details]
Created attachment 317632 [details]
Comment on attachment 317632 [details]
Clearing flags on attachment: 317632
Committed r220453: <http://trac.webkit.org/changeset/220453>
All reviewed patches have been landed. Closing bug.