Examine source code of Simple new tab page

{
  "name": "Simple new tab page",
  "description": "A simple new tab page",
  "version": "1.0.3resigned1",
  "short_name": "simplentp",
  "manifest_version": 2,
  "default_locale": "en",
  "chrome_url_overrides": {
    "newtab": "pages/newtab.html"
  },
  "permissions": [
    "bookmarks"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{86426900-c3bb-4957-8e56-428268c5c6a2}"
    }
  }
}