Newt - A Better New Tab

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Newt - A Better New Tab",
  "short_name": "Newt",
  "author": "Garrett Downs",
  "description": "A replacement for Google Chrome's 'new tab' page that lets you easily access your favorite bookmarks, apps, and more.",
  "version": "5.6.9",
  "icons": {
    "16": "assets/icon-16.png",
    "24": "assets/icon-24.png",
    "32": "assets/icon-32.png",
    "48": "assets/icon-48.png",
    "64": "assets/icon-64.png",
    "128": "assets/icon-128.png",
    "256": "assets/icon-256.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "options_page": "options_page/options.html",
  "content_security_policy": "script-src 'self' https://www.google-analytics.com; object-src 'self'",
  "background": {
    "scripts": [
      "js/chrome-promise.js",
      "js/background.js"
    ]
  },
  "permissions": [
    "bookmarks",
    "management",
    "topSites",
    "sessions",
    "contextMenus",
    "storage",
    "chrome://favicon/"
  ]
}