nsIArena* aArena, PRUnichar* us, PRInt32 uslen)
PRUnichar* us, PRInt32 uslen)
NS_NewSharedHTMLText(nsIHTMLContent** aInstancePtrResult,                     nsIArena* aArena, PRUnichar* us, PRInt32 uslen){  nsIHTMLContent* it = new(aArena) SharedText(us, uslen);  if (nsnull == it) {    return NS_ERROR_OUT_OF_MEMORY;  }  return it->QueryInterface(kIHTMLContentIID, (void **) aInstancePtrResult);}