chromium/chrome/test/data/extensions/api_test/idle/query_state/manifest.json

{
  "name": "chrome.idle.queryState",
  "version": "1.0",
  "manifest_version": 2,
  "description": "chrome.idle API test",
  "background": {
    "scripts": [
      "test.js"
    ],
    "persistent": true
  },
  "permissions": [
    "idle"
  ]
}