Added cluster id to PacedSender::Callback::TimeToSendPacket.

webrtc/modules/remote_bitrate_estimator/test/packet_sender.cc

Index: webrtc/modules/remote_bitrate_estimator/test/packet_sender.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/test/packet_sender.cc b/webrtc/modules/remote_bitrate_estimator/test/packet_sender.cc
index 0bcec82482729b2d39f263cc54fe081a22d5a38d..8767b933475f9fb3bf16a97c93aed60f50d2260f 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/packet_sender.cc
+++ b/webrtc/modules/remote_bitrate_estimator/test/packet_sender.cc
@@ -276,7 +276,8 @@ void PacedVideoSender::QueuePackets(Packets* batch,
 bool PacedVideoSender::TimeToSendPacket(uint32_t ssrc,
                                         uint16_t sequence_number,
                                         int64_t capture_time_ms,
-                                        bool retransmission) {
+                                        bool retransmission,
+                                        int probe_cluster_id) {
   for (Packets::iterator it = pacer_queue_.begin(); it != pacer_queue_.end();
        ++it) {
     MediaPacket* media_packet = static_cast<MediaPacket*>(*it);