Examine source code of CleanBlocker

{
  "manifest_version": 2,
  "version": "1.0.1",
  "name": "CleanBlocker",
  "description": "__MSG_description__",
  "default_locale": "en",
  "browser_action": {
    "default_title": "CleanBlocker",
    "default_popup": "popup.html",
    "default_icon": {
      "48": "assets/icons/icon_48_active.png"
    }
  },
  "icons": {
    "32": "assets/icons/icon_32_active.png",
    "48": "assets/icons/icon_48_active.png",
    "80": "assets/icons/icon_80_active.png",
    "128": "assets/icons/icon_128_active.png",
    "173": "assets/icons/icon_173_active.png"
  },
  "background": {
    "scripts": [
      "./adguard/adguard-api.js",
      "./background.bundle.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "./adguard/adguard-content.js",
        "./content.bundle.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "match_about_blank": true,
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "webNavigation",
    "http://*/*",
    "https://*/*",
    "ws://*/*",
    "wss://*/*",
    "storage",
    "tabs",
    "unlimitedStorage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{21f97f24-8c54-43ff-877e-fe24bf41d9cc}"
    }
  }
}