Examine source code of Reddit Comment Links

{
  "manifest_version": 2,
  "name": "Reddit Comment Links",
  "version": "1.1.1",
  "description": "Lists links from Reddit comments",
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/r/*"
      ],
      "js": [
        "redditcommentlinks.js"
      ]
    }
  ]
}