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'use strict';
// Returns a promise for a network response that contains the Clear-Site-Data:
// "storage" header.
function clear_site_data() {
return fetch('resources/blank.html?pipe=header(Clear-Site-Data,"storage")');
}
async function assert_no_registrations_exist() {
const registrations = await navigator.serviceWorker.getRegistrations();
assert_equals(registrations.length, 0);
}
async function add_controlled_iframe(test, url) {
const frame = await with_iframe(url);
test.add_cleanup(() => { frame.remove(); });
assert_not_equals(frame.contentWindow.navigator.serviceWorker.controller, null);
return frame;
}