Fix iOS WebGL after r199738
Created attachment 279668 [details] Patch
Note that there are important steps to take when updating ANGLE. See http://trac.webkit.org/wiki/UpdatingANGLE
Comment on attachment 279668 [details] Patch http://trac.webkit.org/changeset/201336
Can we add a test outside of the conformance suite to catch this error in the future? Or is there evidence we had a failing test that this patch fixes?
https://bugs.webkit.org/show_bug.cgi?id=156812
*** Bug 156812 has been marked as a duplicate of this bug. ***