BUG=angleproject:1580

Change-Id: Iceaed896db22dc9eefa3f1bee7d6142fcfb20368
Reviewed-on: https://chromium-review.googlesource.com/412267
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>