NEW TAB Wrath of the Lich King

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "NEW TAB Wrath of the Lich King",
  "description": "New Tab",
  "version": "1.0",
  "manifest_version": 2,
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "browser_action": {
    "default_title": "New Tab",
    " default_icon ": " promo3.jpg "
  }
}