Examine source code of Linkedin Profile 2 PDF

{
  "manifest_version": 2,
  "name": "Linkedin Profile 2 PDF",
  "version": "1.0.1",
  "description": "Export Linkedin profile to PDF",
  "homepage_url": "https://vibeehr.com",
  "icons": {
    "48": "icon-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.linkedin.com/in/*/detail/contact-info/"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "webRequest",
    "tabs",
    "activeTab",
    "*://*.linkedin.com/in/*",
    "<all_urls>",
    "downloads",
    "downloads.open"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "vibeehr-extension-linkedin2pdf-v001@vibeehr.com"
    }
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Linkedin Profile 2 PDF",
    "default_popup": "index.html"
  }
}