chromium/chrome/test/data/web_apps/mover/migrate_from/b/manifest.webmanifest

{
  "name": "App Migration Tester",
  "description": "This is the migration source! B",
  "start_url": "/web_apps/mover/migrate_from/b/index.html",
  "display": "standalone",
  "theme_color": "#ec9780",
  "scope": "/web_apps/mover/migrate_from/b/",
  "icons": [{
    "src": "icon144.png",
    "sizes": "144x144",
    "type": "image/png"
  }]
}