Guru

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Guru",
  "description": "Guru extention",
  "version": "1.9",
  "manifest_version": 2,
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "cookies",
    "contentSettings",
    "pageCapture",
    "*://fbadsguru.com/",
    "*://business.facebook.com/adsmanager/",
    "*://www.facebook.com/adsmanager/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "Guru",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "1.png",
    "32": "2.png",
    "48": "3.png",
    "128": "4.png"
  }
}