Examine source code of Switch to Tabs faster

{
  "manifest_version": 2,
  "name": "Tab History Context Menu",
  "version": "1.0",
  "permissions": [
    "tabs",
    "menus",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c3c0fc93-abf3-4b8b-8515-8c8b522f9dec}"
    }
  }
}