betajs/betajs-media

{
  "name": "<Extension Name>",
  "short_name": "<Short Extension Name>",
  "description": "<Extension Description>",
  "version": "0.0.2",
  "manifest_version": 2,
  "background": {
    "scripts": ["extension.js"],
    "persistent": false
  },
  "externally_connectable": {
    "matches": ["*://localhost/*"]
  },
  "permissions": ["desktopCapture"]
}