Examine source code of Huta

{
  "manifest_version": 2,
  "name": "Huta",
  "description": "Huta decentralized domain names extension",
  "version": "1.0",
  "icons": {
    "16": "icons/iconx16.png",
    "32": "icons/iconx32.png",
    "48": "icons/iconx48.png",
    "64": "icons/iconx128.png",
    "128": "icons/iconx128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/iconx16.png",
      "24": "icons/iconx32.png",
      "32": "icons/iconx32.png",
      "64": "icons/iconx128.png"
    },
    "default_popup": "browserAction/index.html",
    "default_title": "Huta"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@huta-live.com"
    }
  }
}