Mozilla bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1415754

BUG=angleproject:2368

Change-Id: Ic2c71b36e7b08560e158fd3dbf10b2fe225f1364
Reviewed-on: https://chromium-review.googlesource.com/935148
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>