BUG=angleproject:1455

Change-Id: Ica74ea5503efc0315bc4d98aa322da523a30b24c
Reviewed-on: https://chromium-review.googlesource.com/367696Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>