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

remoting/signaling/server_log_entry.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 REMOTING_SIGNALING_SERVER_LOG_ENTRY_H_
 #define REMOTING_SIGNALING_SERVER_LOG_ENTRY_H_
 
 #include <map>
 #include <string>
 
@@ skipping 10 matching lines @@
 // containers.
 class ServerLogEntry {
  public:
   // The mode of a connection.
   enum Mode {
     IT2ME,
     ME2ME
   };
 
   ServerLogEntry();
+  ServerLogEntry(const ServerLogEntry& other);
   ~ServerLogEntry();
 
   // Sets an arbitrary key/value entry.
   void Set(const std::string& key, const std::string& value);
 
   // Adds a field describing the CPU type of the platform.
   void AddCpuField();
 
   // Adds a field describing the mode of a connection to this log entry.
   void AddModeField(Mode mode);
@@ skipping 14 matching lines @@
 
  private:
   typedef std::map<std::string, std::string> ValuesMap;
 
   ValuesMap values_map_;
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_SIGNALING_SERVER_LOG_ENTRY_H_