BUG=angleproject:2216

Change-Id: I54716fe7ba08a19d5f4c3287701cffc650adb2d8
Reviewed-on: https://chromium-review.googlesource.com/742504
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>