Chat Icon Notifier for Google Chat™

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Chat Icon Notifier for Google Chat™",
  "description": "A simple extension to change the Gmail™ tab icon when you receive a new chat message!",
  "version": "2.0.1",
  "content_scripts": [
    {
      "js": [
        "chatnotifier.js"
      ],
      "matches": [
        "http://mail.google.com/*",
        "https://mail.google.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}