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

components/gcm_driver/gcm_client.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_GCM_DRIVER_GCM_CLIENT_H_
 #define COMPONENTS_GCM_DRIVER_GCM_CLIENT_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 85 matching lines @@
     ~ChromeBuildInfo();
 
     ChromePlatform platform;
     ChromeChannel channel;
     std::string version;
   };
 
   // Detailed information of the Send Error event.
   struct SendErrorDetails {
     SendErrorDetails();
+    SendErrorDetails(const SendErrorDetails& other);
     ~SendErrorDetails();
 
     std::string message_id;
     MessageData additional_data;
     Result result;
   };
 
   // Internal states and activity statistics of a GCM client.
   struct GCMStatistics {
    public:
     GCMStatistics();
+    GCMStatistics(const GCMStatistics& other);
     ~GCMStatistics();
 
     bool is_recording;
     bool gcm_client_created;
     std::string gcm_client_state;
     bool connection_client_created;
     std::string connection_state;
     uint64_t android_id;
     std::vector<std::string> registered_app_ids;
     int send_queue_size;
@@ skipping 194 matching lines @@
   // to be set, and allows that component to later revoke the setting. It should
   // be unique.
   virtual void AddHeartbeatInterval(const std::string& scope,
                                     int interval_ms) = 0;
   virtual void RemoveHeartbeatInterval(const std::string& scope) = 0;
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_GCM_CLIENT_H_