Examine source code of Cuponea ya

{
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "manifest_version": 2,
  "version": "1.1.0",
  "short_name": "__MSG_appName__",
  "default_locale": "es",
  "icons": {
    "16": "images/iconoDeg16.png",
    "48": "images/iconoDeg48.png",
    "128": "images/iconoDeg128.png"
  },
  "background": {
    "page": "bg.html",
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "contentscripts.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "__MSG_appName__",
    "default_icon": "images/iconoGris128.png"
  },
  "permissions": [
    "http://*/",
    "https://*/",
    "tabs",
    "storage"
  ],
  "content_security_policy": "script-src 'self' https://www.google-analytics.com; object-src 'self'",
  "web_accessible_resources": [
    "popup.css",
    "images/Logo_degradado.png",
    "images/Logo_cuponea_blanco.png",
    "images/social/*",
    "images/iconoDeg128.png"
  ]
}