4 if (window.internals) {
5 window.internals.setForceCompositingMode(document, true);
6 window.internals.setEnableCompositingForScrollableFrames(document, true);
9 if (window.layoutTestController) {
10 document.getElementById("layertree").innerText = layoutTestController.layerTreeAsText();
11 layoutTestController.dumpAsText();
14 window.addEventListener("load", doTest, false);
18 <!-- in force compositing mode the body should get its own graphics layer -->
19 <pre id="layertree"></pre>