GitLab

histogram.

Possible reasons are: no/empty server config, expired server config,
invalid server config and corrupted server config.

R=rch@chromium.org, asvitkine@chromium.org

Review URL: https://codereview.chromium.org/416983005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@285765 0039d316-1c4b-4281-b951-d872f2087c98