Examine source code of Control de Acceso

{
  "manifest_version": 2,
  "name": "Control de Acceso",
  "version": "1.0",
  "permissions": [
    "tabs",
    "activeTab"
  ],
  "description": "Agrega un control de acceso a instagram y whatsapp",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://web.whatsapp.com/*",
        "*://www.instagram.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d6bd4d24-6f1d-43b8-8eff-1c0673ad02da}"
    }
  }
}