Infinity Mario html5

manifest.json

{
  "browser_action": {
    "default_icon": "icon_128.png",
    "default_title": "Mario html5"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "description": "Play Mario html5.",
  "manifest_version": 2,
  "name": "Infinity Mario html5",
  "update_url": "http://clients2.google.com/service/update2/crx",
  "version": "2",
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "icons": {
    "16": "icon_16.png",
    "128": "icon_128.png"
  }
}