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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/speculation-rules/prerender/resources/utils.js"></script>
<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>
<script>

const params = new URLSearchParams(location.search);

// The main test page (restriction-screen-orientation-lock.https.html) loads the
// initiator page, then the initiator page will prerender itself with the
// `prerendering` parameter.
const isPrerendering = params.has('prerendering');

if (!isPrerendering) {
  loadInitiatorPage();
} else {
  const prerenderEventCollector = new PrerenderEventCollector();
  prerenderEventCollector.start(
      screen.orientation.lock('portrait'), 'screen.orientation.lock');
}

</script>