Examine source code of Drive Guide

{
  "name": "Driver",
  "description": "Driver.pk is a simple drive guiding extension for internet users",
  "version": "0.0.0.12",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [],
  "browser_action": {},
  "manifest_version": 2,
  "icons": {
    "128": "icon128.png"
  }
}