Examine source code of Amazon Unsponsored

{
  "manifest_version": 2,
  "name": "Amazon Unsponsored",
  "version": "1.0.8",
  "description": "Removes Amazon and Mobile fake searchresults (sponsored results).",
  "icons": {
    "48": "icon/unsponsored.png"
  },
  "applications": {
    "gecko": {
      "id": "manuel.hanen@hexx.de"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "amazon_unsponsored.js"
      ]
    }
  ]
}