chromium/chrome/test/data/extensions/api_test/browser_action/close_background/manifest.json

{
  "name": "Close Background Page",
  "description": "Click the browser action to close the background page.",
  "version": "1",
  "manifest_version": 2,
  "background": {
    "scripts": ["background.js"]
  },
  "browser_action": {
    "default_title": "close background page"
  }
}