To be used by https://chromium-review.googlesource.com/c/593708/

Bug:
Change-Id: I0d005bf6a6ba4262197a222cb337308551ed61a6
Reviewed-on: https://chromium-review.googlesource.com/595308
Commit-Queue: Takeshi Yoshino <tyoshino@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>