Along with sending the SCUP message, this CL includes small fixes which

net/quic/quic_connection.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_connection.h"
 
 #include <string.h>
 #include <sys/types.h>
 #include <algorithm>
 #include <iterator>
@@ skipping 1524 matching lines @@
         set_encryption_level(encryption_level_);
   }
   sent_packet_manager_.OnSerializedPacket(serialized_packet);
   // The TransmissionType is NOT_RETRANSMISSION because all retransmissions
   // serialize packets and invoke SendOrQueuePacket directly.
   return SendOrQueuePacket(encryption_level_,
                            serialized_packet,
                            NOT_RETRANSMISSION);
 }
 
+void QuicConnection::OnHandshakeComplete() {
+  sent_packet_manager_.SetHandshakeConfirmed();
+}
+
 bool QuicConnection::SendOrQueuePacket(EncryptionLevel level,
                                        const SerializedPacket& packet,
                                        TransmissionType transmission_type) {
   if (packet.packet == NULL) {
     LOG(DFATAL) << "NULL packet passed in to SendOrQueuePacket";
     return true;
   }
 
   sent_entropy_manager_.RecordPacketEntropyHash(packet.sequence_number,
                                                 packet.entropy_hash);
@@ skipping 431 matching lines @@
   // If we changed the generator's batch state, restore original batch state.
   if (!already_in_batch_mode_) {
     DVLOG(1) << "Leaving Batch Mode.";
     connection_->packet_generator_.FinishBatchOperations();
   }
   DCHECK_EQ(already_in_batch_mode_,
             connection_->packet_generator_.InBatchMode());
 }
 
 }  // namespace net