Examine source code of Aliexpress Tracking

{
  "manifest_version": 2,
  "name": "Aliexpress Tracking",
  "description": "Расширение позволяет отслеживать статус посылки прямо на странице заказа.",
  "version": "0.3.6resigned1",
  "permissions": [
    "http://www.sao.cn/*",
    "http://postabot.ru/*",
    "*://track24.ru/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://www.aliexpress.com/wholesale*",
        "http://www.aliexpress.com/premium/*",
        "http://www.aliexpress.com/w/wholesale*",
        "http://www.aliexpress.com/store/*",
        "http://www.aliexpress.com/item/*",
        "http://www.aliexpress.com/category/*",
        "https://www.aliexpress.com/*",
        "https://ru.aliexpress.com/*",
        "http://shoppingcart.aliexpress.com/order/*",
        "https://shoppingcart.aliexpress.com/order/*",
        "http://trade.alibaba.com/order_detail.htm*",
        "https://trade.alibaba.com/order_detail.htm*",
        "http://trade.alibaba.com/orderDetail.htm*",
        "https://trade.alibaba.com/orderDetail.htm*",
        "http://my.aliexpress.com/*",
        "http://trade.alibaba.com/order_list.htm*",
        "http://trade.alibaba.com/*",
        "http://trade.alibaba.com/order_list.htm",
        "http://trade.aliexpress.com/",
        "http://trade.aliexpress.com/*",
        "https://trade.aliexpress.com/",
        "https://trade.aliexpress.com/*",
        "http://ru.aliexpress.com/*",
        "https://ru.aliexpress.com/*",
        "http://activities.aliexpress.com/*"
      ],
      "css": [
        "style.css"
      ],
      "js": [
        "jq.js",
        "contentscript.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    "loader.gif",
    "btnx.png",
    "sign.png"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "jid1-gz4SWNtpFe1GGQ@jetpack"
    }
  }
}