1 [payment-request-event-constructor.https.serviceworker.html]
2 [PaymentRequestEvent can be constucted in service worker.]
5 [PaymentRequestEvent can be constructed with an EventInitDict, even if not trusted]
8 [PaymentRequestEvent can be constructed with a PaymentRequestEventInit, even if not trusted]
11 [PaymentRequestEvent can be dispatched, even if not trusted]