Examine source code of Reviewer

{
  "name": "Gadget Reviewers",
  "description": "A simple extension that helps you to find the best gadgets like Tablets, Smart Phone and Laptop by reading their best reviews",
  "version": "0.0.0.6",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [],
  "browser_action": {},
  "manifest_version": 2,
  "icons": {
    "128": "icon128.png"
  }
}