Examine source code of PDF Converter

{
  "name": "PDF Converter",
  "author": "Frooty Studios",
  "description": "Convert you doc file into PDF.",
  "version": "0.6",
  "manifest_version": 2,
  "icons": {
    "128": "assets/imgs/ex_logo_128.png"
  },
  "chrome_url_overrides": {
    "newtab": "views/tabs/tabs.html"
  },
  "browser_action": {},
  "background": {
    "scripts": [
      "./backgroundScript/backgroundScript.js"
    ],
    "persistent": true
  },
  "permissions": [
    "tabs",
    "activeTab",
    "*://search101.info/*"
  ]
}