Examine source code of Auto-hide v.redd.it

{
  "manifest_version": 2,
  "name": "Auto-hide v.redd.it",
  "short_name": "AH v.redd.it",
  "version": "1.0",
  "developer": {
    "name": "Timothy Garwood",
    "url": "https://github.com/GTimothy/Auto-hide-v.redd.it"
  },
  "description": "Hide video posts on reddit hosted on v.redd.it.",
  "icons": {
    "32": "icons/hos-hide-32.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "hide-v.redd.it.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/hos-hide-32.png",
    "default_title": "Hide v.redd.it!"
  }
}