<!DOCTYPE html>
<html>
<head>
    <script src="../resources/runner.js"></script>
    <script src="resources/utils.js"></script>
</head>
<body>
</body>
    <script>
        createDOMTree(document.body, 3, 3);
        PerfTestRunner.measureTime({
            description: "Measures the performance of a solo pseudo selector applied on a grandchild of a div.",
            run: function() {
                var rule = applyCSSRule("div div div:after { content: 'after'; }");
                forceStyleRecalc(documen