Work towards <https://bugs.webkit.org/show_bug.cgi?id=181199>.
<rdar://problem/36280928>
Created attachment 330471 [details] First pass
Created attachment 330473 [details] Rebase on master
Comment on attachment 330473 [details] Rebase on master Thanks Brady!
Comment on attachment 330473 [details] Rebase on master Clearing flags on attachment: 330473 Committed r226470: <https://trac.webkit.org/changeset/226470>
All reviewed patches have been landed. Closing bug.