GitLab

Example (new on top, old on bottom): http://imgur.com/a/vx7pW

BUG=99426

Review URL: https://chromiumcodereview.appspot.com/16019014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@203052 0039d316-1c4b-4281-b951-d872f2087c98