Examine source code of URL Tracker Pro

{
  "manifest_version": 2,
  "name": "URL Tracker",
  "version": "1.0",
  "description": "Tracks the URLs you visit during a session and provides a summary.",
  "permissions": [
    "history",
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c26c5a36-9342-446d-9b65-bf8164f3539d}"
    }
  }
}