Examine source code of CSP Bypass For Testing

{
  "manifest_version": 2,
  "name": "CSP Bypass For Testing",
  "version": "1.0",
  "description": "Relax CSP Headers To Enable External Scripts And API Requests, For Development And Testing Only.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ff4e3157-0b98-49f4-ba61-2d9e8e693ca3}"
    }
  }
}