Examine source code of Roblox Friendd

{
  "browser_action": {
    "default_icon": {
      "46": "R_46x46.png"
    },
    "default_title": "Friend Removal"
  },
  "content_scripts": [
    {
      "js": [
        "/content.js"
      ],
      "matches": [
        "*://*.roblox.com/*/friends*"
      ]
    }
  ],
  "description": "Useful for removing friends with ease.",
  "icons": {
    "128": "R_128x128.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiBVxZ+ZK8jeagLRFFzXufITd9U3zOJJEaERs0idN+IeDixL2TIgw9lcAnJSQczoZ9hKJEMWoNgMvN1iypIh7cYgtkuRTMJSE0JOpjLELfqrP/yqc0Emvi8Bsk/ZovhTXYxWyYCrQu295CN3/++7O3OvNbq0VgpZwdMOY5+fp0oIgHTG+S324wQ9fsg4RmRekf137FKQLg2BlQ2O1V5Y61+fgIKMyoAQfywvWUzf3SCe83av+HVrUurDA+Fq6f+vT/QXSDNpDKvSQLjRXXJgwTyGJi0ATwJD8CHy5NCTbbxb0xgpr5Pt18g2jbZg7dF6JfJQTSgp34MggF37yTZUxewIDAQAB",
  "manifest_version": 2,
  "name": "Roblox Friend Removal Button",
  "version": "1.0.901",
  "web_accessible_resources": [
    "/FriendDestroyerFramework.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{72ab9a1f-ccf5-4c5d-a561-a4d2bde36a6a}"
    }
  }
}