BOOL                       mUpdatesEnabled; BOOL                       mNeedsRefresh;
BOOL mUpdatesEnabled; BOOL mNeedsRefresh; bool mLoaded;  HistoryItem * mRootHistoryItem;
@interface HistoryDataSource : RDFOutlineViewDataSource{  HistoryDataSourceObserver* mObserver;					// STRONG ref, should be nsCOMPtr but can't  IBOutlet BrowserWindowController* mBrowserWindowController;  BOOL                       mUpdatesEnabled;  BOOL                       mNeedsRefresh;}