NS_IMETHODIMP BRFrame::GetPosition(nsIPresContext&, nscoord         , nsIContent **   , PRInt32&        , PRInt32&        )
NS_IMETHODIMP BRFrame::GetPosition(nsIPresContext& aCX, nscoord         aCoord, nsIContent **   aContent, PRInt32&        aOffsetBegin, PRInt32&        aOffsetEnd)
NS_IMETHODIMP BRFrame::GetPosition(nsIPresContext&,                         nscoord         ,                         nsIContent **   ,                         PRInt32&        ,                         PRInt32&        ){  return NS_ERROR_FAILURE;}