Examine source code of SD History URL

{
  "name": "SD History URL",
  "version": "3.1.5",
  "description": "The top ten results will be displayed when you check your history, and you can access any page by clicking its URL.",
  "permissions": [
    "history"
  ],
  "browser_action": {
    "default_popup": "typedUrls.html",
    "default_icon": "clock.png"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{1ea5f40c-c9d4-482e-ab8b-85c9f6b63b74}"
    }
  }
}