Examine source code of Woob session importer

{
  "manifest_version": 2,
  "name": "Woob session importer",
  "version": "0.0.4",
  "description": "Import Woob session URL and cookies",
  "homepage_url": "http://woob.tech",
  "icons": {
    "48": "logo.png",
    "96": "logo@2x.png"
  },
  "permissions": [
    "<all_urls>",
    "cookies",
    "tabs"
  ],
  "browser_action": {
    "browser_style": true,
    "default_icon": "logo.png",
    "default_title": "Import Woob session",
    "default_popup": "popup.html"
  }
}