Examine source code of Orange Man Replacer

{
  "manifest_version": 2,
  "name": "Orange Man Replacer",
  "version": "2.8",
  "description": "Replaces the name of Donald j. Trump with 'Orange Man' on web pages.",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2765aa6b-071a-4977-83e0-c632e4c9aa32}"
    }
  }
}