chromium/chrome/test/data/extensions/platform_apps/web_view/accept_touch_events/manifest.json

{
  "name": "<webview> touch handler registration test.",
  "manifest_version": 2,
  "version": "1",
  "permissions": [
    "webview"
  ],
  "app": {
    "background": {
      "scripts": ["test.js"]
    }
  },
  "webview": {
    "partitions": [
      {
        "name": "partition1",
        "accessible_resources": [
          "guest.js",
          "guest.html"
        ]
      }
    ]
  }
}