Examine source code of DN Fixer

{
  "manifest_version": 2,
  "name": "DN Fixer",
  "description": "This fixes the paywall on DN.se",
  "version": "4resigned1",
  "content_scripts": [
    {
      "js": [
        "fixer.js"
      ],
      "matches": [
        "http://www.dn.se/*",
        "https://www.dn.se/*"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f6cfcadc-5b3a-45ef-9e84-0f1998eada49}"
    }
  }
}