This CL depends on:
https://chromium-review.googlesource.com/c/chromium/src/+/2427423

Bug: chromium:1129223
Change-Id: I16d845772d13541153ee4775dbe6ba75f8485d7d
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2447030
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>