We didn't have code for this.
<rdar://problem/36833681>
Created attachment 333631 [details] patch
Comment on attachment 333631 [details] patch Clearing flags on attachment: 333631 Committed r228401: <https://trac.webkit.org/changeset/228401>
All reviewed patches have been landed. Closing bug.
Thank you for fixing this
(In reply to Yusuke Suzuki from comment #5) > Thank you for fixing this 👍🏼