Examine source code of WinTask Fr

{
  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "info@wintask.fr",
      "strict_min_version": "42.0"
    }
  },
  "name": "WinTask Fr",
  "version": "6.0.2101",
  "description": "WinTask - logiciel d'automatisation pour le Web et Windows",
  "icons": {
    "48": "wintask_48.png",
    "96": "wintask_96.png"
  },
  "background": {
    "scripts": [
      "WTConst.js",
      "WTTrace.js",
      "WTTools.js",
      "background.js"
    ]
  },
  "permissions": [
    "nativeMessaging",
    "tabs",
    "cookies",
    "webNavigation",
    "webRequest",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "file://*/*"
      ],
      "js": [
        "WTConst.js",
        "WTTrace.js",
        "WTDocList.js",
        "WTCustomId.js",
        "WTTools.js",
        "WTTagAttrs.js",
        "WTDescriptor.js",
        "WTRecorder.js"
      ],
      "all_frames": true
    }
  ]
}