GitLab

We'll need to get rid of them, but for now, just make them private.

BUG=137725
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10834093

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149277 0039d316-1c4b-4281-b951-d872f2087c98