Examine source code of ESPN Cookie Finder

{
  "name": "ESPN Cookie Finder",
  "description": "Find the ESPN cookies you need to authenticate your private fantasy sports leagues.",
  "version": "1.2",
  "manifest_version": 2,
  "icons": {
    "48": "espn-48.png",
    "96": "espn-96.png"
  },
  "permissions": [
    "activeTab",
    "cookies",
    "<all_urls>"
  ],
  "browser_action": {
    "browser_style": true,
    "default_title": "ESPN",
    "default_popup": "popup.html"
  }
}