NS_PRECONDITION(aNewFrame, "null OUT ptr");  nsPageContentFrame* it = new (aPresShell) nsPageContentFrame; if (nsnull == it) { return NS_ERROR_OUT_OF_MEMORY; } *aNewFrame = it; return NS_OK;
return new (aPresShell) nsPageContentFrame;
NS_NewPageContentFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame){  NS_PRECONDITION(aNewFrame, "null OUT ptr");  nsPageContentFrame* it = new (aPresShell) nsPageContentFrame;  if (nsnull == it) {    return NS_ERROR_OUT_OF_MEMORY;  }  *aNewFrame = it;  return NS_OK;}