Examine source code of LinkedIn Overlay Remover

{
  "manifest_version": 2,
  "name": "LinkedIn Overlay Remover",
  "version": "1.1resigned1",
  "description": "Removes the overlay that displays over a linkedin profile.",
  "icons": {
    "48": "icons/border-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.linkedin.com/*"
      ],
      "js": [
        "remover.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{af6a2f42-7945-487f-95dc-e1d7e0c91ca2}"
    }
  }
}