chrome: Add out-of-line copy ctors for complex classes.

chrome/renderer/media/cast_transport_sender_ipc.h

 // Copyright 2014 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.
 
 #ifndef CHROME_RENDERER_MEDIA_CAST_TRANSPORT_SENDER_IPC_H_
 #define CHROME_RENDERER_MEDIA_CAST_TRANSPORT_SENDER_IPC_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 56 matching lines @@
   void OnRawEvents(const std::vector<media::cast::PacketEvent>& packet_events,
                    const std::vector<media::cast::FrameEvent>& frame_events);
   void OnRtt(uint32_t ssrc, base::TimeDelta rtt);
   void OnRtcpCastMessage(uint32_t ssrc,
                          const media::cast::RtcpCastMessage& cast_message);
   void OnReceivedPacket(const media::cast::Packet& packet);
 
  private:
   struct ClientCallbacks {
     ClientCallbacks();
+    ClientCallbacks(const ClientCallbacks& other);
     ~ClientCallbacks();
 
     media::cast::RtcpCastMessageCallback cast_message_cb;
     media::cast::RtcpRttCallback rtt_cb;
   };
 
   void Send(IPC::Message* message);
 
   int32_t channel_id_;
   media::cast::PacketReceiverCallback packet_callback_;
   media::cast::CastTransportStatusCallback status_callback_;
   media::cast::BulkRawEventsCallback raw_events_callback_;
   typedef std::map<uint32_t, ClientCallbacks> ClientMap;
   ClientMap clients_;
 
   DISALLOW_COPY_AND_ASSIGN(CastTransportSenderIPC);
 };
 
 #endif  // CHROME_RENDERER_MEDIA_CAST_TRANSPORT_SENDER_IPC_H_