Pong

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Pong",
  "description": "Single & Multiplayer Pong",
  "version": "1",
  "content_security_policy": "script-src 'self' https://www.google-analytics.com/; http://arcadepong.io/; object-src 'self'",
  "permissions": [
    "https://www.google-analytics.com/*",
    "http://arcadepong.io/*"
  ],
  "icons": {
    "16": "pong3.png",
    "48": "pong3.png",
    "128": "pong3.png"
  },
  "browser_action": {
    "default_popup": "index.html"
  }
}