Examine source code of Crunchyroll Intro Skipper

{
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "js/content_script.js"
      ],
      "matches": [
        "https://static.crunchyroll.com/vilos-v2/web/vilos/player.html*"
      ]
    }
  ],
  "description": "Allows intros to be skipped through a skip button on Crunchyroll",
  "icons": {
    "16": "assets/images/icon.png",
    "128": "assets/images/large_icon.png"
  },
  "background": {
    "scripts": [
      "js/background_script.js"
    ],
    "persistent": false
  },
  "manifest_version": 2,
  "name": "Crunchyroll Intro Skipper",
  "author": "Ramon Quitales",
  "permissions": [
    "https://www.crunchyroll.com/*"
  ],
  "version": "0.2.1"
}