Examine source code of LinkedIn Title Viewer

{
  "manifest_version": 2,
  "name": "LinkedIn Profile Title Viewer",
  "version": "2.0",
  "author": "Engincan Yıldız",
  "description": "Exposes the whole title of people inside feed and network pages.",
  "content_scripts": [
    {
      "matches": [
        "*://*.linkedin.com/*"
      ],
      "js": [
        "exposeTitles.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{13e0ba61-bcdc-4af8-b9d1-a433b7683a53}"
    }
  }
}