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chromium/third_party/blink/web_tests/external/wpt/navigation-api/navigation-history-entry/key-id-location-replace-cross-origin.html 

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<iframe id="i" src="/common/blank.html"></iframe>
<script>
async_test(t => {
  window.onload = t.step_func(() => {
    let key_before_replace = i.contentWindow.navigation.currentEntry.key;
    window.onmessage = t.step_func_done(e => assert_not_equals(key_before_replace, e.data));

    let cross_origin_url = new URL("resources/post-key-to-top.html", location.href);
    cross_origin_url.hostname = get_host_info().REMOTE_HOST;
    i.contentWindow.location.replace(cross_origin_url.href);
  });
}, "NavigationHistoryEntry's key and id after location.replace()");
</script>