Examine source code of COSMOS for Facebook™

{
  "manifest_version": 2,
  "name": "SCRIPT",
  "version": "1.0.2resigned1",
  "description": "KNOW IF SOME ONE IS CONNECTED EVEN IF HE IS TURNING OF ",
  "icons": {
    "48": "icons/hbz-48.png",
    "96": "icons/hbz-96.png"
  },
  "applications": {
    "gecko": {
      "id": "PRODEVTEAM@gmail.com"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*"
      ],
      "js": [
        "SetOnline.js"
      ]
    }
  ]
}