Examine source code of Vivo Video Src

{
  "manifest_version": 2,
  "name": "Vivo Video Src",
  "version": "1.2.3",
  "description": "Adds a Button to copy the source of the Vivo video to the clipboard",
  "icons": {
    "128": "icons/icon128.png",
    "512": "icons/icon512.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.vivo.sx/*"
      ],
      "js": [
        "url.js"
      ]
    }
  ]
}