BUG=angleproject:1661

Change-Id: Iac7af4aed2782ab839922281d29f1a9861a334e3
Reviewed-on: https://chromium-review.googlesource.com/419758Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>