Examine source code of SiyanoAV WebKeeper

{
  "manifest_version": 2,
  "name": "SiyanoAV WebKeeper",
  "version": "2.1.2",
  "description": "SiyanoAV WebKeeper protects your browser from threats, phishing, and malware while ensuring safer and more private browsing.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{b31f7931-692f-4b2e-8912-84ab6d601d2b}"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "downloads",
    "scripting",
    "<all_urls>",
    "webNavigation"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "web_accessible_resources": [
    "src/images/*.svg",
    "block.html"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}