BUG=angleproject:1523

Change-Id: Ia934a186ce490083f93b59eedd3bdf48e0fcb727
Reviewed-on: https://chromium-review.googlesource.com/685799Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>