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<!DOCTYPE html>
<meta charset="utf-8"/>
<meta name="referrer" content="origin">
<script>
async function onLoad() {
// Step 6 and Nested Step 9:
// wpt/web-locks/partitioned-web-locks.tentative.https.html
self.addEventListener('message', evt => {
if (self.opener)
self.opener.postMessage(evt.data, '*');
else
self.top.postMessage(evt.data, '*');
}, { once: true });
// Step 3 and Nested Step 3:
// wpt/web-locks/partitioned-web-locks.tentative.https.html
const params = new URLSearchParams(self.location.search);
const frame = document.createElement('iframe');
frame.src = params.get('target');
document.body.appendChild(frame);
// Step 4 and Nested Step 4:
// wpt/web-locks/partitioned-web-locks.tentative.https.html
frame.addEventListener('load', function(){
frame.contentWindow.postMessage({op: 'request',
name: 'testLock', ifAvailable: true}, '*');
});
}
self.addEventListener('load', onLoad);
</script>