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

remoting/base/compound_buffer.cc

 // Copyright (c) 2010 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 "remoting/base/compound_buffer.h"
 
 #include <algorithm>
 #include <functional>
 
 #include "base/logging.h"
 #include "net/base/io_buffer.h"
 
 namespace remoting {
 
 CompoundBuffer::DataChunk::DataChunk(
     net::IOBuffer* buffer_value, const char* start_value, int size_value)
     : buffer(buffer_value),
       start(start_value),
       size(size_value) {
 }
 
+CompoundBuffer::DataChunk::DataChunk(const DataChunk& other) = default;
+
 CompoundBuffer::DataChunk::~DataChunk() {}
 
 CompoundBuffer::CompoundBuffer()
     : total_bytes_(0),
       locked_(false) {
 }
 
 CompoundBuffer::~CompoundBuffer() {
 }
 
@@ skipping 238 matching lines @@
   }
 
   return count == 0;
 }
 
 int64_t CompoundBufferInputStream::ByteCount() const {
   return position_;
 }
 
 }  // namespace remoting