BUG=angleproject:1150

Change-Id: If11bb2df6407248812d6dfa415395bbe315fa58c
Reviewed-on: https://chromium-review.googlesource.com/311152
Tryjob-Request: Shannon Woods <shannonwoods@chromium.org>
Tryjob-Request: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Tested-by: Frank Henigman <fjhenigman@chromium.org>