Examine source code of Scam Site Detector

{
  "manifest_version": 2,
  "name": "Scam Site Detector",
  "version": "1.0",
  "description": "Warn clearly when visiting risky scam sites.",
  "permissions": [
    "tabs",
    "notifications",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e4b2c52e-6d1a-4a77-be56-3a47a728ca56}"
    }
  }
}