Examine source code of daneshLink

{
  "manifest_version": 2,
  "name": "daneshLink",
  "version": "1.1.1resigned1",
  "description": "This add-on is for http://www.daneshlink.ir users. http://www.DaneshLink.ir is a refrence that http://www.daneshlink.ir users can get some journals from it's repository.",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "contextMenus"
  ],
  "browser_action": {
    "default_icon": {
      "19": "button/btn19.png",
      "38": "button/btn38.png"
    },
    "default_title": "DaneshLink"
  },
  "applications": {
    "gecko": {
      "id": "a.rashidi1993@gmail.com.com"
    }
  }
}