Internet Connection Alerter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Internet Connection Alerter",
  "version": "1.0",
  "description": "Alerts you when Internet goes down",
  "manifest_version": 2,
  "browser_action": {
    "default_title": "Alerts when Internet down",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icons/16.png",
      "32": "images/icons/32.png",
      "64": "images/icons/64.png",
      "96": "images/icons/96.png"
    }
  },
  "permissions": [
    "storage",
    "http://www.google.com/",
    "https://www.google.com/",
    "http://www.msftncsi.com/ncsi.txt"
  ],
  "background": {
    "scripts": [
      "scripts/background.js"
    ],
    "persistent": false
  },
  "web_accessible_resources": [
    "sound/sms-alert-1-daniel_simon.mp3"
  ],
  "icons": {
    "16": "images/icons/16.png",
    "32": "images/icons/32.png",
    "64": "images/icons/64.png",
    "96": "images/icons/96.png"
  }
}