chrome/test/data/banners/manifest_tabbed_display_override.json

{
  "name": "Manifest with tabbed display override",
  "icons": [
    {
      "src": "launcher-icon-4x.png",
      "sizes": "192x192",
      "type": "image/png"
    }
  ],
  "start_url": "manifest_test_page.html",
  "display": "standalone",
  "display_override": [ "tabbed" ],
  "tab_strip": {
    "new_tab_button": "auto"
  }
}