Examine source code of Home address icon

{
  "manifest_version": 2,
  "name": "Home address icon",
  "version": "1.0",
  "description": "The home address icon is used to indicate the location of a user's home or residence. It often appears in address forms, account information, or personal maps.",
  "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": "{510f432c-6833-4d79-a2d1-92076b1c0733}"
    }
  }
}