nsresult rv = mFrame->GetText(&mFocusedValue); if (NS_FAILED(rv)) return rv;  return NS_OK;
return mFrame->InitFocusedValue();
nsTextInputListener::Focus(nsIDOMEvent* aEvent){  if (!mFrame) return NS_OK;  nsCOMPtr<nsIEditor> editor;  mFrame->GetEditor(getter_AddRefs(editor));  if (editor)  {    editor->AddEditorObserver(this);  }    nsresult rv = mFrame->GetText(&mFocusedValue);  if (NS_FAILED(rv)) return rv;    return NS_OK;}