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

components/sync_driver/data_type_manager_impl.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_SYNC_DRIVER_DATA_TYPE_MANAGER_IMPL_H__
 #define COMPONENTS_SYNC_DRIVER_DATA_TYPE_MANAGER_IMPL_H__
 
 #include "components/sync_driver/data_type_manager.h"
 
 #include <map>
@@ skipping 168 matching lines @@
   // For querying failed data types (having unrecoverable error) when
   // configuring backend.
   DataTypeStatusTable data_type_status_table_;
 
   // Types waiting to be downloaded.
   TypeSetPriorityList download_types_queue_;
 
   // Types waiting for association and related time tracking info.
   struct AssociationTypesInfo {
     AssociationTypesInfo();
+    AssociationTypesInfo(const AssociationTypesInfo& other);
     ~AssociationTypesInfo();
 
     // Types to associate.
     syncer::ModelTypeSet types;
     // Types that have just been downloaded and are being associated for the
     // first time. This includes types that had previously encountered an error
     // and had to be purged/unapplied from the sync db.
     // This is a subset of |types|.
     syncer::ModelTypeSet first_sync_types;
     // Types that were already ready for association at configuration time.
@@ skipping 26 matching lines @@
   bool catch_up_in_progress_;
 
   base::WeakPtrFactory<DataTypeManagerImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DataTypeManagerImpl);
 };
 
 }  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_DATA_TYPE_MANAGER_IMPL_H__