BUG=angleproject:1127

Change-Id: Ia5f9442ef718625ed913fe3a76301a0edea00390
Reviewed-on: https://chromium-review.googlesource.com/295720Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>