Minor comment and code update

Bug: 851163
Change-Id: Ia6fa3551e22b37784b63d5450c1755dd918d6a35
Reviewed-on: https://chromium-review.googlesource.com/1112739
Reviewed-by: Mike Wittman <wittman@chromium.org>
Commit-Queue: Xi Cheng <chengx@chromium.org>
Cr-Commit-Position: refs/heads/master@{#569868}
4 files changed