Examine source code of Urban Ag Report

{
  "browser_action": {
    "default_icon": "assets/images/icon_128.png",
    "default_title": "Urban Ag Report",
    "default_popup": "assets/html/popup.html"
  },
  "description": "The Urban Ag Report is heard daily on XM Sirius Rural Radio Channel 147 providing up to date information on urban agriculture.",
  "icons": {
    "16": "assets/images/icon_16.png",
    "128": "assets/images/icon_128.png"
  },
  "manifest_version": 2,
  "name": "Urban Ag Report",
  "version": "1.1.1"
}