Over last two weeks of running tryjobs on CLs of others, I found
this very useful. This CL also simplifies code.

R=agable@chromium.org

Change-Id: I5c7ce0d311b1ca024b92227dbec54e5197205c62
Reviewed-on: https://chromium-review.googlesource.com/930742Reviewed-by: Aaron Gable <agable@chromium.org>
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>