BUG=angleproject:422

Change-Id: I1a1c4551f2fc55b74afd66e7f18ea61e77250eb6
Reviewed-on: https://chromium-review.googlesource.com/414634
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>