chrome/test/data/extensions/api_test/notifications/api/user_gesture/manifest.json

{
  "name": "chrome.notifications",
  "manifest_version": 2,
  "version": "0.1",
  "description": "chrome.notifications API permissionLevelChanged",
  "app": {
    "background": {
      "scripts": ["background.js"]
    }
  },
  "permissions": [
    "notifications"
  ]
}