We call it only in there.
<rdar://problem/37250037>
Created attachment 333123 [details] Patch
Created attachment 333230 [details] Patch
Comment on attachment 333230 [details] Patch r=me
Comment on attachment 333230 [details] Patch Clearing flags on attachment: 333230 Committed r228224: <https://trac.webkit.org/changeset/228224>
All reviewed patches have been landed. Closing bug.