void Browser::TabStripEmpty() {
  base::ThreadTaskRunnerHandle::Get()->PostTask(
      FROM_HERE,
      base::BindOnce(&Browser::CloseFrame, weak_factory_.GetWeakPtr()));

  instant_controller_.reset();
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.