nsTreeCreator::CreateTableRowGroupFrame(nsIFrame** aNewFrame) { return NS_NewTreeRowGroupFrame(mPresShell, aNewFrame);
nsTableCreator::CreateTableRowGroupFrame(nsIFrame** aNewFrame) { return NS_NewTableRowGroupFrame(mPresShell, aNewFrame);
nsTreeCreator::CreateTableRowGroupFrame(nsIFrame** aNewFrame){  return NS_NewTreeRowGroupFrame(mPresShell, aNewFrame);}