Examine source code of SplashID Pro 9

{
  "manifest_version": 2,
  "name": "SplashID Pro 9",
  "description": "SplashID Pro 9 - the next generation secure password manager. Use it in your browser or download the app for your device.",
  "version": "9.4.8",
  "background": {
    "scripts": [
      "JavaScript/service-worker.js"
    ],
    "persistent": true
  },
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "notifications",
    "contextMenus",
    "scripting",
    "cookies",
    "<all_urls>"
  ],
  "icons": {
    "16": "images/s9-app-logo-white.png",
    "32": "images/s9-app-logo-white.png",
    "48": "images/s9-app-logo-white.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "images/s9-app-logo-white.png",
      "32": "images/s9-app-logo-white.png",
      "48": "images/s9-app-logo-white.png"
    },
    "default_title": "SplashID",
    "default_popup": "views/popup.html"
  },
  "web_accessible_resources": [
    "images/*",
    "views/*.html",
    "css/*.css"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "JavaScript/content-script.js"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{6f0bea26-1f15-4302-bffc-dbc89b717756}"
    }
  }
}