Who Unfriended Me ?

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Who Unfriended Me ?",
  "description": "Find which Facebook friend removed you from their friends list.",
  "version": "1.0",
  "browser_action": {
    "default_title": "Who Unfriended Me ?",
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.facebook.com/*"
      ],
      "js": [
        "jquery-3.1.0.min.js",
        "content.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "https://ajax.googleapis.com/",
    "https://www.facebook.com/",
    "http://www.facebook.com/",
    "storage",
    "tabs",
    "<all_urls>"
  ]
}