nsAutoString htmlTopic; htmlTopic.AssignWithConversion(kHTMLTextContentType); return anObserverService->AddObserver(this, htmlTopic.GetUnicode());
nsAutoString htmlTopic; htmlTopic.AssignWithConversion(kHTMLTextContentType);   res = anObserverService->AddObserver(this, htmlTopic.GetUnicode()); }  return res;
NS_IMETHODIMP nsMetaCharsetObserver::Start() {    nsresult res = NS_OK;    NS_WITH_SERVICE(nsIObserverService, anObserverService, NS_OBSERVERSERVICE_CONTRACTID, &res);    if (NS_FAILED(res)) return res;    nsAutoString htmlTopic; htmlTopic.AssignWithConversion(kHTMLTextContentType);        return anObserverService->AddObserver(this, htmlTopic.GetUnicode());}