Examine source code of Bookmark Organizer Pro

{
  "manifest_version": 2,
  "name": "Quick Bookmark Organizer",
  "version": "1.0",
  "description": "Organize bookmarks into folders quickly and easily.",
  "permissions": [
    "bookmarks",
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3514c10f-b456-4537-8288-c2c3ea13a5c9}"
    }
  }
}