src/third_party/WebKit/LayoutTests/compositing/layer-creation/main-thread-scrolling-for-non-composited-fixed-position.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4   <style>
   5     .fixed {
   6       position: fixed;
   7       left: 10px;
   8       top: 10px;
   9     }
  10   </style>
  11
  12   <script>
  13     if (window.internals)
  14       window.internals.settings.setPreferCompositingToLCDTextEnabled(false);
  15
  16     if (window.testRunner) {
  17       testRunner.dumpAsText();
  18
  19       window.addEventListener("load", function() {
  20         document.getElementById("layerTree").innerText = window.internals.layerTreeAsText(document);
  21         document.getElementById("mainThreadScrollingReasons").innerText = window.internals.mainThreadScrollingReasons(document);
  22       }, false);
  23     }
  24   </script>
  25 </head>
  26
  27 <body style="height: 5000px">
  28   <div class="fixed">TEST</div>
  29
  30   <pre id="layerTree"></pre>
  31   <pre id="mainThreadScrollingReasons"></pre>
  32 </body>
  33 </html>