Custom Tab Extension

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Custom Tab Extension",
  "description": "This new tab with changing wallpaper will display weather and date/time at user's current location",
  "version": "3",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js",
      "content.js"
    ],
    "persistent": false
  },
  "content_security_policy": "script-src 'self' https://www.google-analytics.com; object-src 'self'",
  "chrome_url_overrides": {
    "newtab": "options.html"
  },
  "browser_action": {
    "default_title": "Custom Tab"
  },
  "permissions": [
    "activeTab",
    "geolocation",
    "identity",
    "identity.email"
  ]
}