BUG=angleproject:1443

Change-Id: I1ad2ecee3ffc81a4d1c128aa4de4437e3ee88e34
Reviewed-on: https://chromium-review.googlesource.com/360120Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>