It took me a few hours to figure this mistake out for some reason. We can verify this easily.
Created attachment 329146 [details] Patch
Comment on attachment 329146 [details] Patch r=me
Comment on attachment 329146 [details] Patch Clearing flags on attachment: 329146 Committed r225814: <https://trac.webkit.org/changeset/225814>
All reviewed patches have been landed. Closing bug.
<rdar://problem/36006166>