Examine source code of Hides Youtube Comments

{
  "manifest_version": 2,
  "name": "Hide Youtube Comments",
  "version": "3.2",
  "description": "Hides Youtube Comments",
  "icons": {
    "186": "icons/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "remove.js"
      ]
    }
  ]
}