BUG=angleproject:1388

Change-Id: I4d346ca3c6914e56055aa6492d9d013634a1b9ad
Reviewed-on: https://chromium-review.googlesource.com/353693Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>