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

components/wifi/network_properties.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 COMPONENTS_WIFI_NETWORK_PROPERTIES_H_
 #define COMPONENTS_WIFI_NETWORK_PROPERTIES_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 14 matching lines @@
   kFrequency2400 = 2400,
   kFrequency5000 = 5000
 };
 
 typedef std::set<Frequency> FrequencySet;
 
 // Network Properties, can be used to parse the result of |GetProperties| and
 // |GetVisibleNetworks|.
 struct WIFI_EXPORT NetworkProperties {
   NetworkProperties();
+  NetworkProperties(const NetworkProperties& other);
   ~NetworkProperties();
 
   std::string connection_state;
   std::string guid;
   std::string name;
   std::string ssid;
   std::string bssid;
   std::string type;
   std::string security;
   // |password| field is used to pass wifi password for network creation via
@@ skipping 12 matching lines @@
   static std::string MacAddressAsString(const uint8_t mac_as_int[6]);
   static bool OrderByType(const NetworkProperties& l,
                           const NetworkProperties& r);
 };
 
 typedef std::list<NetworkProperties> NetworkList;
 
 }  // namespace wifi
 
 #endif  // COMPONENTS_WIFI_NETWORK_PROPERTIES_H_