message: Change a http-error-code
diff: @@ -56,7 +56,7 @@ QString ApiError::toString() const {
  case NETWORK_ERROR:
  return QObject::tr("Network Error: %1").arg(network_error_string_);
  case HTTP_ERROR:
  - if (http_error_code_ == 520) {
  + if (http_error_code_ == 443) {
  return QObject::tr("The storage quota has been used up");
  } else {
  return QObject::tr("Server Error");
  