aCharsetOverride,
NS_New_HTML_ContentSinkStream(nsIHTMLContentSink** aInstancePtrResult,                               nsString* aOutString, PRUint32 aFlags){  nsCOMPtr<nsIHTMLContentSinkStream> it;  nsresult rv;  rv = nsComponentManager::CreateInstance(nsIHTMLContentSinkStream::GetCID(),                                          nsnull,                                          nsIHTMLContentSinkStream::GetIID(),                                          getter_AddRefs(it));  if (NS_SUCCEEDED(rv)) {    rv = it->Initialize(nsnull,                        aOutString,                        nsnull,                        aFlags);    if (NS_SUCCEEDED(rv)) {      rv = it->QueryInterface(nsIHTMLContentSink::GetIID(),                              (void**)aInstancePtrResult);    }  }    return rv;}