Examine source code of Cookie Profile Switcher

{
  "applications": {
    "gecko": {
      "id": "emerysteele@gmail.com"
    }
  },
  "name": "Cookie Profile Switcher",
  "version": "1.3.4resigned1",
  "description": "Store & Manage multiple cookie profiles per domain.",
  "permissions": [
    "cookies",
    "tabs",
    "http://*/*",
    "https://*/*",
    "storage"
  ],
  "icons": {
    "16": "cookie_16.png",
    "48": "cookie_48.png",
    "128": "cookie_128.png",
    "256": "cookie.png"
  },
  "options_page": "options.html",
  "browser_action": {
    "default_icon": "cookie.png",
    "default_popup": "profiles.html"
  },
  "background": {
    "scripts": [
      "background.js",
      "scripts/jquery-3.1.1.min.js"
    ]
  },
  "manifest_version": 2
}