Examine source code of AdSpoiler

{
  "manifest_version": 2,
  "name": "AdSpoiler",
  "description": "Официальное расширение для аналитики групп и работы с маркет-платформой от AdSpoiler",
  "version": "2.1.6",
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "64": "images/icon-64.png",
    "96": "images/icon-96.png",
    "128": "images/icon-128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "images/icon-16.png",
      "20": "images/icon-20.png",
      "24": "images/icon-24.png",
      "32": "images/icon-32.png",
      "40": "images/icon-40.png",
      "48": "images/icon-48.png",
      "64": "images/icon-64.png"
    },
    "default_popup": "popup.html"
  },
  "permissions": [
    "tabs",
    "storage",
    "contextMenus",
    "notifications",
    "https://vk.com/*",
    "https://*.vk.com/*",
    "https://old.adspoiler.com/*"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  }
}