Examine source code of vidspeed

{
  "browser_action": {
    "default_icon": "icon.svg",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "js": [
        "background.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "all_frames": true
    }
  ],
  "description": "Change The Speed Of Videos On Any Website Using Hotkeys",
  "icons": {
    "189": "icon.svg",
    "190": "icon.png",
    "191": "icon.svg"
  },
  "manifest_version": 2,
  "name": "VidSpeed",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "http://*/*",
    "https://*/*",
    "<all_urls>"
  ],
  "short_name": "VidSpeed",
  "version": "1.14",
  "browser_specific_settings": {
    "gecko": {
      "id": "VidSpeed@RJ_Infinity",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}