Examine source code of RapiseFirefax

{
  "manifest_version": 2,
  "name": "RapiseFirefax",
  "short_name": "Rapise Test Suite Support for Chrome.",
  "description": "This extension allows the Rapise test automation system to record, learn and playback automated tests using the Mozilla Firefox browser (version 57 and higher, Rapise 5.4 and higher).",
  "version": "4.0.3",
  "applications": {
    "gecko": {
      "id": "zfqzfzqfzq@inflectra.com",
      "strict_min_version": "51.0"
    }
  },
  "background": {
    "page": "background.html"
  },
  "permissions": [
    "nativeMessaging",
    "tabs",
    "webNavigation",
    "http://*/*",
    "https://*/*"
  ],
  "icons": {
    "16": "icons/16.png",
    "24": "icons/24.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "64": "icons/64.png",
    "96": "icons/96.png",
    "128": "icons/128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "injectedJS.js"
      ]
    }
  ]
}