metamask-extension/app/scripts/lib/setupMetamaskMeshMetrics.js

module.exports = setupMetamaskMeshMetrics

/**
 * Injects an iframe into the current document for testing
 */
function setupMetamaskMeshMetrics() {
  const testingContainer = document.createElement('iframe')
  testingContainer.src = 'https://metamask.github.io/mesh-testing/'
  console.log('Injecting MetaMask Mesh testing client')
  document.head.appendChild(testingContainer)
}