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 3bcbc0a071bf8ef7e587f2f80a91ed11b62512d1..7a0f1084b4633220a36503df5fc826573810165c 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/packet_sender.cc
+++ b/webrtc/modules/remote_bitrate_estimator/test/packet_sender.cc
@@ -280,7 +280,8 @@ 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 cluster_id) {
   for (Packets::iterator it = pacer_queue_.begin(); it != pacer_queue_.end();
        ++it) {
     MediaPacket* media_packet = static_cast<MediaPacket*>(*it);