Drupal Node id finder

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Drupal Node id finder",
  "description": "Finds node id for current node.",
  "version": "1.0",
  "author": "@ErikJohansson93",
  "content_scripts": [
    {
      "js": [
        "scripts/jquery.min.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ],
  "background": {
    "scripts": [
      "scripts/popup.js"
    ],
    "persistent": true
  },
  "permissions": [
    "tabs",
    "http://*/",
    "https://*/"
  ],
  "browser_action": {
    "default_icon": "logo.png",
    "default_popup": "popup.html"
  }
}