Examine source code of RestMan Pro

{
  "manifest_version": 2,
  "name": "RestMan",
  "author": "Joaquin Sargiotto",
  "description": "RESTMan is a browser extension to work on http requests.",
  "version": "0.8.0",
  "icons": {
    "32": "img/icon32.png",
    "64": "img/icon64.png"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "browser_action": {
    "default_title": "Default Title",
    "default_icon": {
      "32": "img/icon32.png",
      "64": "img/icon64.png"
    }
  },
  "incognito": "split",
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "browser_specific_settings": {
    "gecko": {
      "id": "{7015705f-1691-42f0-a14b-cb83e056d69d}"
    }
  }
}