BUG=angleproject:1523

Change-Id: If50a4bf5e33bf0b9ad76a9c6bb999cf4d620c709
Reviewed-on: https://chromium-review.googlesource.com/685647
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>