chromium/third_party/blink/web_tests/external/wpt/navigation-timing/test-timing-attributes-exist.html

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title>window.performance.timing attributes</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="help" href="http://www.w3.org/TR/navigation-timing/#sec-navigation-timing-interface"/>
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
        <script src="/common/performance-timeline-utils.js"></script>
        <script src="resources/webperftestharness.js"></script>
    </head>
    <body>
        <h1>Description</h1>
        <p>This test validates that all of the window.performance.timing attributes exist (but does not validate that their values are correct).</p>

        <div id="log"></div>

        <script>
        test_namespace('timing');

        for (var i = 0; i < timingAttributes.length; ++i)
        {
            test_attribute_exists('timing', timingAttributes[i]);
        }
        </script>
    </body>
</html>