Examine source code of Eche Cleaner

{
  "manifest_version": 2,
  "name": "Eche Cleaner",
  "version": "2.0.4",
  "description": "Suite de privacidad y rendimiento: bloqueador de anuncios, anti-tracking, limpieza de datos y más.",
  "permissions": [
    "browsingData",
    "storage",
    "alarms",
    "tabs",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "commands": {
    "clean-now": {
      "suggested_key": {
        "default": "Ctrl+Shift+L",
        "mac": "Command+Shift+L"
      },
      "description": "Limpiar datos ahora"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "eche-cleaner@echebastar.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}