Cleaned up nsFrame class declaration a bit. Added some API entries to nsIMenuFrame in support of type="radio"'s pick-one behaviour. Renamed UpdateMenuChecked to UpdateMenuSpecialState. Removed stale string-splitting code in CreateAnonymousContent. (r=hyatt,mcafee) git-svn-id: svn://10.0.0.236/trunk@50957 18797224-902f-48f8-a5cc-f745e15eee43