void PrepContentsForBeforeUnloadTest(WebContents* web_contents) {
  for (auto* frame : web_contents->GetAllFrames()) {
    frame->ExecuteJavaScriptWithUserGestureForTests(base::string16());

    frame->DisableBeforeUnloadHangMonitorForTesting();
  }
}

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.