BUG=angleproject:1188

Change-Id: I07638c52ef09ffc96d91eec25c32dd905207c49f
Reviewed-on: https://chromium-review.googlesource.com/309650
Tryjob-Request: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>