Make rtcp packets copyable

webrtc/modules/rtp_rtcp/source/rtcp_packet/nack.h

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_NACK_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_NACK_H_
 
 #include <vector>
 
 #include "webrtc/base/basictypes.h"
-#include "webrtc/base/constructormagic.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/rtpfb.h"
 
 namespace webrtc {
 namespace rtcp {
 class CommonHeader;
 
 class Nack : public Rtpfb {
  public:
   static constexpr uint8_t kFeedbackMessageType = 1;
   Nack();
@@ skipping 18 matching lines @@
   struct PackedNack {
     uint16_t first_pid;
     uint16_t bitmask;
   };
 
   void Pack();    // Fills packed_ using packed_ids_. (used in SetPacketIds).
   void Unpack();  // Fills packet_ids_ using packed_. (used in Parse).
 
   std::vector<PackedNack> packed_;
   std::vector<uint16_t> packet_ids_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(Nack);
 };
 
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_NACK_H_