Added EnrollEnterpriseDevice(user, password) automation hook.

Enrolls an unenrolled device as a managed enterprise device.

BUG=chromium-os:17873
TEST=Manual test

Review URL: http://codereview.chromium.org/7448009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@94418 0039d316-1c4b-4281-b951-d872f2087c98
14 files changed