GitLab

This is a field displayed in an alternate font that adds an extra line
of information about the notification.

BUG=276004

Review URL: https://chromiumcodereview.appspot.com/23462005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@220500 0039d316-1c4b-4281-b951-d872f2087c98