If I recall, there are some Chrome options that you can't modify from Chrome itself, but which you can configure using Group Policy Objects. That (or whatever the equivalent is on *nix--files in /etc?) should be where the settings for "lab admins" go.
If I recall, there are some Chrome options that you can't modify from Chrome itself, but which you can configure using Group Policy Objects. That (or whatever the equivalent is on *nix--files in /etc?) should be where the settings for "lab admins" go.