Examine source code of ProLocalis Office Suite

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "ProLocalis Office Suite",
  "description": "ProLocalis Office Suite & Editor Panels",
  "version": "1.3.9resigned1",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{40438cc5-eade-4d2a-a78d-deb23a472c31}"
    }
  }
}