Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/fast/loader/resources/unschedule-relayout-after-unload-target.html 

<html>
<script>
window.onload = function() {
    document.body.innerHTML = 'SUCCESS: Navigated';
    if (window.testRunner)
        testRunner.notifyDone();
};
</script>
</html>