nsHistoryDataSource(void) { NS_INIT_REFCNT(); }
nsHistoryDataSource::nsHistoryDataSource(void) : mInner(nsnull), mLastVisitDateHash(nsnull), mResourcePage(nsnull), mResourceDate(nsnull), mResourceTitle(nsnull), mResourceReferer(nsnull), mResourceChild(nsnull), mResourceHistoryBySite(nsnull) { NS_INIT_REFCNT(); }
    nsHistoryDataSource(void) {        NS_INIT_REFCNT();    }