Examine source code of Get Me Radio!

{
  "manifest_version": 2,
  "name": "Get Me Radio!",
  "description": "Your Radio and Podcast directory. Browse and listen to tons of Radio Stations and Podcasts!",
  "version": "1.0.1",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab"
  ]
}