Code review comment for lp:~elementary-pantheon/switchboard-plug-about/restore-dialog

Perhaps you could call get_content_area () once like this, and do everything in one go:

var action_area = get_action_area ();
action_area.add (grid);
action_area.margin_right = 6;
action_area.margin_bottom = 6;
action_area.margin_top = 14;