page_with_dynamic_unsafe_image.html

<html>
<head><title>Page with unsafe image loaded dynamically</title>
<script>
  var url = "https://REPLACE_WITH_HOST_AND_PORT/ssl/google_files/logo.gif";

  function AddImage() {
    var img = document.createElement("img");
    img.src = url;
    document.body.appendChild(img);
  }
</script>
<body></body>
</html>

chromium/chrome/test/data/ssl/page_with_dynamic_unsafe_image.html