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

remoting/protocol/pairing_registry.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.
 
 #ifndef REMOTING_PROTOCOL_PAIRING_REGISTRY_H_
 #define REMOTING_PROTOCOL_PAIRING_REGISTRY_H_
 
 #include <map>
 #include <queue>
 #include <string>
@@ skipping 29 matching lines @@
 //   * The shared secret for the client. This is generated on-demand by this
 //     class and used in the SPAKE2 exchange to mutually verify identity.
 class PairingRegistry : public base::RefCountedThreadSafe<PairingRegistry> {
  public:
   struct Pairing {
     Pairing();
     Pairing(const base::Time& created_time,
             const std::string& client_name,
             const std::string& client_id,
             const std::string& shared_secret);
+    Pairing(const Pairing& other);
     ~Pairing();
 
     static Pairing Create(const std::string& client_name);
     static Pairing CreateFromValue(const base::DictionaryValue& pairing);
 
     scoped_ptr<base::DictionaryValue> ToValue() const;
 
     bool operator==(const Pairing& other) const;
 
     bool is_valid() const;
@@ skipping 136 matching lines @@
 
   std::queue<base::Closure> pending_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(PairingRegistry);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_PAIRING_REGISTRY_H_