Examine source code of FadBlock Origin

{
  "manifest_version": 2,
  "name": "FadBlock: Friendly Adblock for Youtube™",
  "version": "2.7",
  "description": "A fast, lightweight, and undetectable YouTube Ads Blocker for Chrome.",
  "icons": {
    "16": "assets/icons/icon-16x16.png",
    "48": "assets/icons/icon-48x48.png",
    "128": "assets/icons/icon-120x120.png"
  },
  "browser_action": {
    "default_icon": "assets/logo.png",
    "default_popup": "html/popup.html"
  },
  "permissions": [
    "https://www.youtube.com/*",
    "https://*.youtube.com/*",
    "scripting",
    "tabs",
    "storage"
  ],
  "background": {
    "scripts": [
      "js/ExtPay.js",
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.youtube.com/*",
        "https://www.youtube.com/*"
      ],
      "js": [
        "js/ExtPay.js",
        "js/content.js"
      ]
    },
    {
      "matches": [
        "https://extensionpay.com/*"
      ],
      "js": [
        "js/ExtPay.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{dc0b7af2-2cfc-498d-bee5-50e710ed404a}"
    }
  }
}