Examine source code of Auto Skip Ads

{
  "manifest_version": 2,
  "name": "Auto Skip Ads",
  "version": "1.0",
  "description": "Automatically skips YouTube ads.",
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "skipads.js"
      ]
    }
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f7a5c7db-648e-47c0-bec5-a2e845501d71}"
    }
  }
}