nsToolbarItemFrame* it = new (aPresShell) nsToolbarItemFrame;
nsToolbarItemFrame* it = new (aPresShell) nsToolbarItemFrame(aPresShell);
NS_NewToolbarItemFrame ( nsIPresShell* aPresShell, nsIFrame** aNewFrame ){  NS_PRECONDITION(aNewFrame, "null OUT ptr");  if ( !aNewFrame )    return NS_ERROR_NULL_POINTER;  nsToolbarItemFrame* it = new (aPresShell) nsToolbarItemFrame;  if ( !it )    return NS_ERROR_OUT_OF_MEMORY;  *aNewFrame = it;  return NS_OK;  } // NS_NewToolbarItemFrame