watch list for login manager
watch list for login manager

Do these work recursively?  If not, I can add a case for the chromeos_login_manager director.

Review URL: http://codereview.chromium.org/1002008

joshfire/chromiumos-platform-login_manager,joshfire/chromiumos-platform-login_manager,chadversary/chromiumos.platform.login_manager,chadversary/chromiumos.platform.login_manager,chadversary/chromiumos.platform.login_manager,joshfire/chromiumos-platform-login_manager