Examine source code of TAD For Youtube

{
  "manifest_version": 2,
  "name": "TAD For Youtube",
  "short_name": "TAD4YT",
  "description": "Integrates TAD (www.gettad.com) into YouTube & Smashcast.tv",
  "version": "1.0.1resigned1",
  "author": "Zach Logan",
  "icons": {
    "16": "images/icon16.png",
    "24": "images/icon24.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    "images/TADopenB.svg",
    "images/TADopenBSC.svg",
    "images/TADopenBSC2.svg"
  ],
  "browser_action": {
    "default_icon": {
      "16": "images/icon16.png",
      "24": "images/icon24.png",
      "32": "images/icon32.png"
    },
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "BackgroundScript.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.youtube.com/*",
        "http://*.youtube.com/*"
      ],
      "css": [
        "YTContentCSS.css"
      ],
      "js": [
        "YTContentScript.js"
      ]
    },
    {
      "matches": [
        "https://*.smashcast.tv/*",
        "http://*.smashcast.tv/*"
      ],
      "css": [
        "YTContentCSS.css"
      ],
      "js": [
        "SCContentScript.js"
      ]
    },
    {
      "matches": [
        "https://*.gettad.com/*",
        "http://*.gettad.com/*"
      ],
      "js": [
        "TADContentScript.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "https://content.jwplatform.com/players/W9dnuUgp-lFUnuhlh*",
        "http://content.jwplatform.com/players/W9dnuUgp-lFUnuhlh*"
      ],
      "js": [
        "TADVideoContentScript.js"
      ],
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3d8fadd8-775e-48f7-b759-c5d27b70dac9}"
    }
  }
}