BUG=angleproject:1188

Change-Id: I5a72ff3521c01b4da661a90f6d761da61b3aad60
Reviewed-on: https://chromium-review.googlesource.com/309631
Tryjob-Request: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>