Notifier for WhatsApp Web

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "short_name": "Notifier for WhatsApp Web",
  "version": "2.1",
  "browser_action": {
    "default_title": "__MSG_openApp__",
    "default_icon": {
      "19": "images/19.png",
      "38": "images/38.png"
    }
  },
  "icons": {
    "16": "16.png",
    "48": "48.png",
    "128": "128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.whatsapp.com/*"
      ],
      "js": [
        "script.js"
      ],
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "*://*.whatsapp.com/*",
    "tabs",
    "webRequest",
    "webRequestBlocking"
  ],
  "content_security_policy": "script-src 'self' https://www.google-analytics.com; object-src 'self'"
}