nsresult NS_NewCSSLoader(nsICSSLoader** aLoader)
nsresult NS_NewCSSLoader(nsIDocument* aDocument, nsICSSLoader** aLoader)
nsresult NS_NewCSSLoader(nsICSSLoader** aLoader){  CSSLoaderImpl* it = new CSSLoaderImpl();  if (it == nsnull) {    return NS_ERROR_OUT_OF_MEMORY;  }  return it->QueryInterface(kICSSLoaderIID, (void **)aLoader);}