BUG=angleproject:1436

Change-Id: I4f6c2eaf4bcb2f85fe31c0e0112c0a9651d4ad70
Reviewed-on: https://chromium-review.googlesource.com/357161Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>