Examine source code of shtop

{
  "background": {
    "scripts": [
      "/lib/background.js"
    ]
  },
  "description": "stop background tabs from loading!",
  "permissions": [
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "manifest_version": 2,
  "name": "shtop",
  "version": "1.0.5resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{eee87677-0b09-4508-b977-abf7ca38b5f2}"
    }
  }
}