Source/WebKit/chromium/tests/data/non-fast-scrollable.html

<!DOCTYPE html>
<html>
<head>
  <style type="text/css">
    .scrollable {
      width: 10px;
      height: 10px;
      overflow: scroll;
    }
  </style>
</head>

<body>
  <div class="scrollable">
    Scrolling content.
  </div>
</body>
</html>