chromium/tools/binary_size/libsupersize/viewer/static/manifest.json

{
  "short_name": "Super Size",
  "name": "Super Size Tiger View",
  "description": "View interactive size breakdowns from Chrome",
  "icons": [
    {
      "src": "favicon.ico",
      "sizes": "16x16 32x32 256x256"
    },
    {
      "src": "splash.png",
      "type": "image/png",
      "sizes": "512x512"
    }
  ],
  "lang": "en",
  "start_url": "viewer.html",
  "background_color": "#fff",
  "display": "standalone",
  "scope": "./",
  "theme_color": "#4285f4"
}