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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
<script src="/speculation-rules/prerender/resources/utils.js"></script>
<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>
<body>
<script>
const params = new URLSearchParams(location.search);
const uid = params.get('uid');
const SCOPE = './';
const WORKER_URL = './do-nothing-worker.js';
async function unregisterServiceWorker(scope) {
const registration = await navigator.serviceWorker.getRegistration(scope);
if (!registration)
return;
return registration.unregister();
}
// The main test page (register-service-worker.https.html) loads the
// initiator page, then the initiator page will prerender itself with the
// `prerendering` parameter.
const isPrerendering = params.has('prerendering');
if (!isPrerendering) {
unregisterServiceWorker(SCOPE);
loadInitiatorPage();
} else {
const prerenderEventCollector = new PrerenderEventCollector();
const promise = navigator.serviceWorker.register(WORKER_URL, {scope: SCOPE})
.then(registration => {
prerenderEventCollector.addEvent('service worker registered');
return registration.unregister();
});
prerenderEventCollector.start(promise, 'ServiceWorker.register');
}
</script>
</body>
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