GitLab

Design discussion is available here: http://groups.google.com/a/chromium.org/group/chromium-dev/browse_thread/thread/967eb64325c24f9c

BUG=None
TEST=base_unittests


Review URL: http://codereview.chromium.org/8505033

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110021 0039d316-1c4b-4281-b951-d872f2087c98