Examine source code of Skipper

{
  "name": "Skipper",
  "description": "Automatically skips intros on Netflix.",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "*://*.netflix.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "/images/skipper16.png",
    "32": "/images/skipper32.png",
    "48": "/images/skipper48.png",
    "128": "/images/skipper128.png"
  },
  "permissions": [],
  "version": "1.0.9",
  "web_accessible_resources": []
}