Examine source code of IDactis Security V2

{
  "name": "IDactis Security V2",
  "short_name": "IDactis",
  "version": "0.2.0.15",
  "applications": {
    "gecko": {
      "id": "idactis_security_V2@idactis.com"
    }
  },
  "manifest_version": 2,
  "description": "IDactis Security Web Extension V2",
  "icons": {
    "48": "IDLock48.png",
    "128": "IDLock128.png"
  },
  "homepage_url": "https://www.idactis.com",
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "jf.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*",
        "file:///*"
      ],
      "run_at": "document_start"
    },
    {
      "all_frames": true,
      "js": [
        "content_script.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*",
        "file:///*"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": "IDLock19.png"
  },
  "permissions": [
    "activeTab",
    "nativeMessaging",
    "webNavigation"
  ]
}