BUG=angleproject:892

Change-Id: I32b9bbb35d99621f16a055fb544ec0691dfcd5a0
Reviewed-on: https://chromium-review.googlesource.com/270261Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>