void Browser::RequestKeyboardLock(WebContents* web_contents,
                                  bool esc_key_locked) {
  exclusive_access_manager_->keyboard_lock_controller()->RequestKeyboardLock(
      web_contents, esc_key_locked);
}

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.