page_with_filtered_iframe.html | Explore in Territory

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <style>
    body {
      margin: 0px;
    }

    iframe {
      position: absolute;
      width: 200px;
      height: 200px;
      border: none;
      filter: drop-shadow(50px 50px);
    }
    </style>
  </head>
  <body>
    <iframe src="/cross-site/baz.com/title1.html"></iframe>
  </body>
</html>

chromium/content/test/data/frame_tree/page_with_filtered_iframe.html