This adds parts of Chromium's PanProjectChecks. We don't add all yet
as there is to much chance for the checks to fire on files later. We
first need to find a way to run the checks on all files (not only
changed ones).

NOTRY=true

Bug: v8:7689
Change-Id: I747b49a9a362cf76f329e7f743545c6e6cb56f85
Reviewed-on: https://chromium-review.googlesource.com/1029854Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52828}