Examine source code of JSON Beautifier Content

{
  "manifest_version": 2,
  "name": "JSON Beautifier",
  "description": "Beautiful JSON viewer for Chrome",
  "version": "1.0.0",
  "permissions": [
    "activeTab"
  ],
  "content_security_policy": "script-src 'self' 'wasm-unsafe-eval'; object-src 'none';",
  "browser_specific_settings": {
    "gecko": {
      "id": "biaov@qq.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "content-scripts/json-viewer.css"
      ],
      "js": [
        "content-scripts/json-viewer.js"
      ]
    }
  ]
}