BUG=angleproject:2707

Change-Id: Ibd70437e3a40a9a63b78ac9a4546c97611a97ba5
Reviewed-on: https://chromium-review.googlesource.com/1126458
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>