Examine source code of Webgardi

{
  "manifest_version": 2,
  "name": "Webgardi",
  "description": "Present an attractive dashboard of your web surfing.",
  "version": "1.1resigned1",
  "browser_action": {
    "default_icon": {
      "18": "icon/icon-18.png",
      "19": "icon/icon-19.png",
      "32": "icon/icon-32.png",
      "36": "icon/icon-36.png",
      "38": "icon/icon-38.png",
      "64": "icon/icon-64.png"
    },
    "default_title": "Webgardi",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icon/icon-48.png",
    "96": "icon/icon-96.png"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "http://*/*",
    "https://*/*",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "bestanalyzer.webgardi@gmail.com",
      "strict_min_version": "45.0",
      "strict_max_version": "50.*"
    }
  }
}