Examine source code of Bing Automator

{
  "manifest_version": 2,
  "name": "Bing Automator",
  "version": "3.1.0",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dc5dd236-82e4-42ee-a4fe-7eb6c2608f01}"
    }
  },
  "icons": {
    "48": "icons/automator48.png",
    "96": "icons/automator96.png"
  },
  "browser_action": {
    "default_icon": "icons/automator.png",
    "default_title": "Bing Automator",
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage",
    "notifications"
  ]
}