Examine source code of Адаптер Рутокен Плагин

{
  "name": "Rutoken Plugin Adapter",
  "version": "1.0.5.0",
  "manifest_version": 2,
  "description": "Позволяет использовать Рутокен Плагин",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "rutokenplugin@rutoken.ru",
      "strict_min_version": "50.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "webpage.js"
  ],
  "permissions": [
    "nativeMessaging"
  ]
}