BUG=angleproject:422

Change-Id: I10a2192c5c91360a1b7fe5e4d014bcf1fa84c96e
Reviewed-on: https://chromium-review.googlesource.com/413713Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>