Examine source code of Facial recognition icon

{
  "manifest_version": 2,
  "name": "Facial recognition icon",
  "version": "1.0",
  "description": "Facial recognition icons are commonly used in technology applications, security, phones, surveillance cameras or AI systems to identify users.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Click me!"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f299bb88-3932-4625-a2c5-85c9114b485a}"
    }
  }
}