Examine source code of TheLocal Unblocker

{
  "name": "TheLocal Unblocker",
  "description": "Removes free-limit-banner and all advertising from TheLocal",
  "version": "1.2",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "*://*.thelocal.com/*",
        "*://*.thelocal.at/*",
        "*://*.thelocal.de/*",
        "*://*.thelocal.dk/*",
        "*://*.thelocal.fr/*",
        "*://*.thelocal.it/*",
        "*://*.thelocal.no/*",
        "*://*.thelocal.es/*",
        "*://*.thelocal.se/*",
        "*://*.thelocal.ch/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/TheLocal16.png",
      "32": "icons/TheLocal32.png",
      "48": "icons/TheLocal48.png",
      "128": "icons/TheLocal128.png"
    }
  },
  "icons": {
    "16": "icons/TheLocal16.png",
    "32": "icons/TheLocal32.png",
    "48": "icons/TheLocal48.png",
    "128": "icons/TheLocal128.png"
  }
}