Examine source code of Teleport.video

{
  "manifest_version": 2,
  "name": "Teleport.video",
  "description": "This extension is for enabling screen sharing for AnywhereWorks",
  "version": "1.2",
  "icons": {
    "48": "icons/extension-logo-48x48.png",
    "96": "icons/extension-logo-96x96.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/extension-logo-48x48.png",
      "96": "icons/extension-logo-96x96.png"
    },
    "default_popup": "popup.html"
  },
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "permissions": [
    "notifications",
    "storage",
    "cookies",
    "*://teleport.video/",
    "*://staging.teleport.video/"
  ],
  "content_scripts": []
}