BUG=angleproject:1401

Change-Id: I5d08ecb2d4090e4be049dc6d25fc2ea17911ff2c
Reviewed-on: https://chromium-review.googlesource.com/349011Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>