riesByType("measure");
            pass = true;
            for (var i in entries)
            {
                pass = false;
            }
            test_true(pass,
                      "After a call to window.performance.clearMeasures(), " +
                      "window.performance.getEntriesByType(\"measure\") returns an empty object.");

            done();
        }
    </script>
    </head>
    <body onload="onload_test();">
        <h1>Description</h1>
        <p>This test validates that the per