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chromium/third_party/blink/web_tests/fast/performance/script-tests/TEMPLATE.html 

<!DOCTYPE html>
<html>
<head>
<script src="../../resources/js-test.js"></script>
</head>
<body>
<span id="e"></span>
<span id="f"></span>
<script src="YOUR_JS_FILE_HERE"></script>
</body>
</html>