chromium/components/test/data/payments/can_make_payment_event_fields/app/app.json

{
  "name": "CanMakePayment Checker",
  "icons": [{
    "src": "/icon.png",
    "sizes": "40x40",
    "type": "image/png"
  }],
  "serviceworker": {
    "src": "app.js"
  }
}