Very minor cleanup to reduce code complexity.

R=mstarzinger@chromium.org

Bug: chromium:869420
Change-Id: I53d1776792b3918d489fe002e2cb17b7a3e0ff73
Reviewed-on: https://chromium-review.googlesource.com/1158686Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54849}