auto-scrollbar-fades-out.html | Explore in Territory

<!DOCTYPE html>
<meta name=fuzzy content="maxDifference=0-1;totalPixels=0-150">
<script>
  if (window.internals) {
    internals.useMockOverlayScrollbars();

    window.onload = function() {
      var div = document.getElementById('iframe')
                        .contentDocument
                        .getElementById('target');
      internals.setScrollbarVisibilityInScrollableArea(div, false);
    }
  }
</script>
<iframe srcdoc="
        <div id='target' style='overflow:auto; width:300px; height:300px'>
          <div style='height:2000px; width:100px; background-color:green'>
          </div>
        </div>"
        id="iframe" width="400" height="400" scrolling="yes"></iframe>

chromium/third_party/blink/web_tests/scrollbars/auto-scrollbar-fades-out.html