Sudoku

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.0.0",
  "name": "Sudoku",
  "description": "The best selection of sudoku games.",
  "manifest_version": 2,
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_action": {
    "default_popup": "games.html",
    "default_icon": "images/icon19.png"
  },
  "icons": {
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  }
}