Examine source code of HungryFREAK Toolbar Menu

{
  "manifest_version": 2,
  "name": "HungryFREAK Toolbar Menu",
  "version": "4.0",
  "applications": {
    "gecko": {
      "id": "webgods05@webgods.webgods"
    }
  },
  "description": "Create a menu item in the Firebox toolbar that will allow quick access to all your favorite HungryFREAK links.",
  "homepage_url": "http://www.hungryfreak.com",
  "icons": {
    "48": "icons/hungryface-01-48x48.png",
    "96": "icons/hungryface-01-96x96.png"
  },
  "permissions": [
    "activeTab",
    "downloads",
    "contextMenus",
    "tabs",
    "http://*/*",
    "https://*/*",
    "cookies",
    "storage",
    "management"
  ],
  "browser_action": {
    "browser_style": true,
    "default_popup": "popup/choose_page.html",
    "default_icon": {
      "16": "icons/hungryface-01-16x16.png",
      "32": "icons/hungryface-01-32x32.png"
    },
    "default_title": "HungryFREAK"
  }
}