Removing poisoning code since we no longer do poisoning.
Created attachment 362970 [details] proposed patch. Let's test this on the EWS.
Created attachment 362985 [details] proposed patch.
Comment on attachment 362985 [details] proposed patch. r=me.
Thanks for the review. Landed in r242100: <http://trac.webkit.org/r242100>.
<rdar://problem/48410737>