Examine source code of Current Status New Tab.

{
  "chrome_url_overrides": {
    "newtab": "redirect.html"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "manifest_version": 2,
  "name": "Current Status New Tab.",
  "short_name": "Current Status",
  "description": "Current Status – The Political Web's Front Page.",
  "homepage_url": "https://currentstatus.io/",
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.1resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{89ac3ee1-7e3c-4d64-add2-2244ccd088ff}"
    }
  }
}