<!DOCTYPE html>
<html>
<head>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
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}

function log(msg) {
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function go() {
    const { set } = Object.getOwnPropertyDescriptor(frames[0].location, "href");
    const setBoundProxy = new Proxy(set.bind(frames[0].frames[0].location), {});
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}

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}, false);
</script>
</head>
<body>
<div id="console"></div>
<iframe src="resources/middle-frame-for-location.html">
</body>
</html>