extensions/test/data/api_test/system_power_source/api/manifest.json

{
  "name": "chrome.system.powerSource",
  "manifest_version": 2,
  "version": "0.1",
  "description": "end-to-end browser tests for chrome.system.powerSource API",
  "app": {
    "background": {
      "scripts": ["background.js"]
    }
  },
  "permissions": [
    "system.powerSource"
  ],
  "kiosk_enabled": true
}