Fix some sandbox violations.
<rdar://problem/39876860>
Created attachment 339221 [details] Patch
Comment on attachment 339221 [details] Patch Looks just like we discussed yesterday. Great! r=me.
Comment on attachment 339221 [details] Patch Thanks for reviewing!
Comment on attachment 339221 [details] Patch Clearing flags on attachment: 339221 Committed r231254: <https://trac.webkit.org/changeset/231254>
All reviewed patches have been landed. Closing bug.