chromium/third_party/blink/web_tests/external/wpt/html/editing/dnd/platform/file-drop-position.html

<!DOCTYPE html>
<title>drag &amp; drop - mouse coordinates during drop</title>
<style>
  body > div {
    height: 5px;
    width: 5px;
    background-color: orange;
  }
</style>

<script>
window.onload = function() {
  var orange = document.getElementsByTagName('div')[0];
  orange.ondragover = orange.ondragenter = orange.ondrop = function(e) {
    e.preventDefault();
  };
};
</script>

<div></div>

<p>Save <a href="../resources/fail.png">this image</a> to your desktop. Minimise your browser. Use your pointing device to drag the saved file from your desktop <strong>via your browser's button on your operating system's taskbar</strong> (so that it maximises your browser), onto the small orange box above this text, and release it. If a confirmation dialog appears, accept it. Fail if the browser simply displays the image.</p>
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