third_party/WebKit/LayoutTests/fast/media/resources/media-query-list-callback-frame.html

   1 <!DOCTYPE html>
   2 <style>
   3 @media (max-width: 200px) {
   4   body {
   5     background: orange;
   6   }
   7 }
   8 </style>
   9 <script>
  10 var mql = window.matchMedia('(max-width: 200px)');
  11 mql.addListener(function (mql) {
  12 });
  13 </script>