Patch coming.
Created attachment 310192 [details] proposed patch.
rs=Saam Barati.
Landed in r216891: <http://trac.webkit.org/r216891>.
*** Bug 171958 has been marked as a duplicate of this bug. ***
r216891 needs a test result rebase. This was done in r216934: <http://trac.webkit.org/r216934>.
*** Bug 172005 has been marked as a duplicate of this bug. ***