chromium/chrome/test/data/webapps_integration/screenshots/basic.json

{
  "name": "Site With Screenshots",
  "icons": [
    {
      "src": "48x48-green.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
      "src": "128x128-green.png",
      "sizes": "128x128",
      "type": "image/png"
    },
    {
      "src": "192x192-green.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "256x256-green.png",
      "sizes": "256x256",
      "type": "image/png"
    }
  ],
  "screenshots":[
    {
      "src":"screenshot1.png",
      "sizes":"1024×1380",
      "form_factor": "wide",
      "type":"image/png"
    },
    {
      "src":"screenshot1-copy.png",
      "sizes":"1024×1380",
      "form_factor": "wide",
      "type":"image/png"
    },
    {
      "src":"half-screenshot1-size.png",
      "sizes":"512x690",
      "form_factor": "wide",
      "type":"image/png"
    },
    {
      "src":"screenshot2.png",
      "sizes":"1614×728",
      "form_factor": "wide",
      "type":"image/png"
    },
    {
      "src":"screenshot3.png",
      "sizes":"1208×1020",
      "form_factor": "wide",
      "type":"image/png"
    }
  ],
  "start_url": "/webapps_integration/screenshots/basic.html",
  "scope": "/webapps_integration/screenshots/",
  "display": "standalone"
}