OES_vertex_array_object is not implemented on iOS 8. Maybe a missing merge/regression of https://bugs.webkit.org/show_bug.cgi?id=53940
Created attachment 232725 [details] Patch
Comment on attachment 232725 [details] Patch Clearing flags on attachment: 232725 Committed r169714: <http://trac.webkit.org/changeset/169714>
All reviewed patches have been landed. Closing bug.