code: func newLogDogStreamServerForPlatform(ctx context.Context, workDir string) (streamserver.StreamServer, error) {
  	// Windows, use named pipe.
  	return streamserver.NewNamedPipeServer(ctx, fmt.Sprintf("LUCILogDogRunBuild_%d", os.Getpid()))
  }
docs: // newLogDogStreamServerForPlatform creates a StreamServer instance usable on
  // Windows.