Update Manager is not part of System Settings -- or if it is, that's a bug.
Ubuntu Software Center contains code to show one thing when gnome-panel is running, and a different thing if Unity is running. You could find the necessary code there, or ask any of the Unity developers.
Update Manager is not part of System Settings -- or if it is, that's a bug.
Ubuntu Software Center contains code to show one thing when gnome-panel is running, and a different thing if Unity is running. You could find the necessary code there, or ask any of the Unity developers.