void Browser::ResetTryToCloseWindow() {
  cancel_download_confirmation_state_ = NOT_PROMPTED;
  if (IsFastTabUnloadEnabled())
    fast_unload_controller_->ResetTryToCloseWindow();
  else
    unload_controller_->ResetTryToCloseWindow();
}

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.