src/third_party/WebKit/LayoutTests/compositing/force-compositing-mode/force-composite-empty.html

   1 <html>
   2   <head>
   3     <script>
   4       if (window.internals) {
   5         window.internals.settings.setForceCompositingMode(true);
   6         window.internals.settings.setCompositedScrollingForFramesEnabled(true);
   7       }
   8       function doTest() {
   9         if (window.testRunner) {
  10           document.getElementById("layertree").innerText = window.internals.layerTreeAsText(document);
  11           testRunner.dumpAsText();
  12         }
  13       }
  14       window.addEventListener("load", doTest, false);
  15     </script>
  16   </head>
  17 <body>
  18   <!-- in force compositing mode the body should get its own graphics layer -->
  19   <pre id="layertree"></pre>
  20 </body>
  21 </html>