chromium/chrome/test/data/extensions/api_test/action_handlers/new_note/manifest.json

{
  "manifest_version": 2,
  "name": "new_note action_handler test",
  "version": "1.0.0",
  "action_handlers": ["new_note"],
  "app": {
    "background": {
      "scripts": ["main.js"]
    }
  }
}