Examine source code of Visicom Search

{
  "name": "Visicom Search",
  "version": "2.1.2resigned1",
  "manifest_version": 2,
  "description": "Позволяет искать выделенный текст на сайте",
  "background": {
    "scripts": [
      "main.js"
    ]
  },
  "icons": {
    "16": "icon.png"
  },
  "applications": {
    "gecko": {
      "id": "jid0-24BIZo5c9uA4Q8HWFUDjHB0pzHA@jetpack",
      "strict_min_version": "42.0"
    }
  },
  "permissions": [
    "contextMenus",
    "tabs",
    "https://*/*"
  ]
}