Examine source code of Auto Reload Every Page

{
  "manifest_version": 2,
  "name": "Auto Reload Every Page",
  "version": "1.0",
  "description": "Recharge chaque page toutes les 60 secondes.",
  "permissions": [
    "https://apps2.watts.com/Citrix/StoreWeb/"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "reload.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d41f5b98-0810-4544-8c1a-3d47791c158e}"
    }
  }
}