BUG=angleproject:1319

Change-Id: I0668527a338a2f10ca74b43f2a8bd82534e732c0
Reviewed-on: https://chromium-review.googlesource.com/370805
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>