Allow the number of connections QUIC's send algorithms simulate to

net/quic/congestion_control/pacing_sender.cc

Index: net/quic/congestion_control/pacing_sender.cc
diff --git a/net/quic/congestion_control/pacing_sender.cc b/net/quic/congestion_control/pacing_sender.cc
index 002db987969c1cb2366caa46401450d824ac922d..20d2b3b819a14f48b09b9ba80e32a3a62b950ffb 100644
--- a/net/quic/congestion_control/pacing_sender.cc
+++ b/net/quic/congestion_control/pacing_sender.cc
@@ -27,6 +27,10 @@ void PacingSender::SetFromConfig(const QuicConfig& config, bool is_server) {
   sender_->SetFromConfig(config, is_server);
 }
 
+void PacingSender::SetNumEmulatedConnections(int num_connections) {
+  sender_->SetNumEmulatedConnections(num_connections);
+}
+
 void PacingSender::OnIncomingQuicCongestionFeedbackFrame(
       const QuicCongestionFeedbackFrame& feedback,
       QuicTime feedback_receive_time) {