Examine source code of Khan CSV Exporter

{
  "manifest_version": 2,
  "name": "Khan CSV Exporter",
  "version": "1.1",
  "description": "Enables Khan Academy teachers to easily download student data in CSV format for offline analysis and reporting",
  "icons": {
    "32": "icons/border-32.png",
    "64": "icons/border-64.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "cookies",
    "tabs",
    "downloads",
    "https://www.khanacademy.org/*"
  ],
  "browser_action": {
    "default_icon": "icons/border-64.png",
    "default_title": "Ghengis Khan",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{187ab3b2-9d52-4c6b-aade-949f1a2da1b1}"
    }
  }
}