Added DISALLOW_COPY_AND_ASSIGN to disable copy/assign.

net/quic/quic_sent_entropy_manager.h

 // Copyright 2013 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.
 //
 // Manages the packet entropy calculation for both sent and received packets
 // for a connection.
 
 #ifndef NET_QUIC_QUIC_SENT_ENTROPY_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_ENTROPY_MANAGER_H_
 
@@ skipping 33 matching lines @@
   typedef linked_hash_map<QuicPacketSequenceNumber,
                           std::pair<QuicPacketEntropyHash,
                                QuicPacketEntropyHash> > SentEntropyMap;
 
   // Linked hash map from sequence numbers to the sent entropy hash up to the
   // sequence number in the key.
   SentEntropyMap packets_entropy_;
 
   // Cumulative hash of entropy of all sent packets.
   QuicPacketEntropyHash packets_entropy_hash_;
+
+  DISALLOW_COPY_AND_ASSIGN(QuicSentEntropyManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_ENTROPY_MANAGER_H_