Dynamic New Tab Page

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Dynamic New Tab Page",
  "short_name": "Dynamic Tab",
  "description": "A dynamic new tab page similar to that available for iPhone lock screens. ",
  "version": "1.5",
  "icons": {
    "128": "icon-128.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  }
}