BUG=angleproject:1332

Change-Id: I591b9520bc1122eb6232803ac86b6d0322f8c349
Reviewed-on: https://chromium-review.googlesource.com/390323
Commit-Queue: John Bauman <jbauman@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>