Examine source code of Simple more than simple

{
  "manifest_version": 2,
  "name": "Simple No-ID Extension",
  "version": "1.0",
  "description": "A minimal Firefox extension that does not include a gecko ID.",
  "browser_action": {
    "default_title": "No-ID Demo",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{182ace6e-df11-462e-b015-7a1647281503}"
    }
  }
}