BUG=angleproject:892

Change-Id: I88c2724150142415cebf9e45e5747fe2c4889c91
Reviewed-on: https://chromium-review.googlesource.com/269760Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>