Bug: angleproject:2421

Change-Id: Ibdd8beee8103062a566b8caa23cdd9b8ac35d3a8
Reviewed-on: https://chromium-review.googlesource.com/974105
Commit-Queue: Luc Ferron <lucferron@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>