Examine source code of Reverse Dropshipping

{
  "manifest_version": 2,
  "name": "Reverse Dropshipping",
  "description": "Track down the original source of dropshipped items quickly and easily with our comprehensive search tool.",
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "version": "1.2.3",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "https://*/*",
    "http://*/*",
    "webRequest"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "plugin@reversedropshipping.com"
    }
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "run_at": "document_end",
      "match_about_blank": false,
      "all_frames": false,
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ]
}