Examine source code of Youtube Video Skip Ad Trigger

{
  "manifest_version": 2,
  "name": "Youtube Video Skip Ad Trigger",
  "short_name": "Youtube-Video-Skip-Ad-Trigger",
  "description": "A plugin for automatically pressing Skip Ad button on youtube videos.",
  "version": "2.1.1",
  "author": "010 Pixel",
  "permissions": [
    "*://*.youtube.com/*",
    "storage",
    "tabs"
  ],
  "browser_action": {
    "default_icon": "images/icon16.png"
  },
  "icons": {
    "16": "images/icon16.png",
    "24": "images/icon24.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "64": "images/icon64.png",
    "96": "images/icon96.png",
    "128": "images/icon128.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "js/background.js",
      "js/loadscript.js"
    ]
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "js/myapp.js"
      ],
      "run_at": "document_end"
    }
  ]
}