chromium/chrome/test/data/extensions/api_test/system_display_chromeos/manifest.json

{
  "name": "ondisplaychangedevent",
  "manifest_version": 2,
  "version": "1.0",
  "description": "Test system.display API",
  "permissions": ["system.display"],
  "background": {
    "scripts": ["background.js"],
    "persistent": true
  }
}