return NS_OK;
nsCOMPtr<nsIFile> file; aProfileDir->Clone(getter_AddRefs(file)); if (!file) return; file->AppendNative(FILE_COMPATIBILITY_INFO);  nsINIParser parser; nsCOMPtr<nsILocalFile> localFile(do_QueryInterface(file)); nsresult rv = parser.Init(localFile); if (NS_FAILED(rv)) return;  parser.GetString("Compatibility", "LastVersion", aVersion, aVersionLength);
nsXULAppInfo::GetVersion(nsACString& aResult){  aResult.Assign(gAppData->version);  return NS_OK;}