chromium/chrome/test/data/extensions/manifest_tests/offline_default_platform_app_with_webview.json

{
  "name": "Platform Test",
  "manifest_version": 2,
  "version": "1",
  "app": {
    "background": {
      "scripts": ["background.js"]
    }
  },
  "permissions": [ "webview" ]
}