Requested in https://chromium-review.googlesource.com/349353

BUG=angleproject:1362

Change-Id: I989757c2fb8f65d5afcfb177b7f8da1414871e6f
Reviewed-on: https://chromium-review.googlesource.com/349694Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>