chromium/chrome/test/data/extensions/api_test/content_scripts/isolated_world2/manifest.json

{
  "name": "isolated world 2",
  "version": "0.1",
  "manifest_version": 2,
  "description": "together with isolated world 1, tests that scripts from different extensions run in different worlds",
  "background": {
    "scripts": ["background.js"],
    "persistent": true
  },
  "permissions": ["http://*/*", "tabs"]
}