Examine source code of Admen Express Sourcing +

{
  "name": "Admen Express : Sourcing candidats",
  "description": "Intégration de profils candidats à Gestmax",
  "version": "0.31",
  "manifest_version": 2,
  "permissions": [
    "tabs",
    "storage",
    "<all_urls>",
    "webRequest",
    "webRequestBlocking",
    "browsingData",
    "scripting",
    "activeTab",
    "downloads"
  ],
  "author": "Inasoft",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "gestmax.png",
    "default_title": "Cliquez pour intégrer la page actuelle à Gestmax"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bab75130-4386-44ee-9587-e30f957f2346}"
    }
  }
}