chrome/test/data/extensions/manifest_tests/init_platform_app_csp.json

{
  "name": "Platform App",
  "version": "1",
  "manifest_version": 2,
  "app": {
    "background": {
      "scripts": ["background.js"]
    },
    "content_security_policy": "default-src 'self' https://www.google.com"
  },
  // Base 64 encoding of "whitelist me", so that we can have a stable ID.
  "key": "d2hpdGVsaXN0IG1l"
}