chromium/extensions/test/data/manifest_tests/sandboxed_pages_valid_6.json

{
  "name": "test",
  "version": "0.1",
  "manifest_version": 2,
  "app": {
    "background": {
      "scripts": ["background.js"]
    }
  },
  "sandbox": {
    "pages": ["test"],
    "content_security_policy": "sandbox; script-src https://www.google.com"
  }
}