[V8] Add back owners check

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}

PRESUBMIT.py

@@ -289,6 +289,13 @@ def _CheckNoProductionCodeUsingTestOnlyFunctions(input_api, output_api):
 def _CommonChecks(input_api, output_api):
   """Checks common to both upload and commit."""
   results = []
+  # TODO(machenbach): Replace some of those checks, e.g. owners and copyright,
+  # with the canned PanProjectChecks. Need to make sure that the checks all
+  # pass on all existing files.
+  results.extend(input_api.canned_checks.CheckOwnersFormat(
+      input_api, output_api))
+  results.extend(input_api.canned_checks.CheckOwners(
+      input_api, output_api))
   results.extend(_CheckCommitMessageBugEntry(input_api, output_api))
   results.extend(input_api.canned_checks.CheckPatchFormatted(
       input_api, output_api))