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

components/sync_driver/data_type_manager_impl.cc

 // 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.
 
 #include "components/sync_driver/data_type_manager_impl.h"
 
 #include <algorithm>
 #include <functional>
 
 #include "base/bind.h"
@@ skipping 24 matching lines @@
         syncer::SyncError::CRYPTO_ERROR,
         "",
         iter.Get());
   }
   return crypto_errors;
 }
 
 }  // namespace
 
 DataTypeManagerImpl::AssociationTypesInfo::AssociationTypesInfo() {}
+DataTypeManagerImpl::AssociationTypesInfo::AssociationTypesInfo(
+    const AssociationTypesInfo& other) = default;
 DataTypeManagerImpl::AssociationTypesInfo::~AssociationTypesInfo() {}
 
 DataTypeManagerImpl::DataTypeManagerImpl(
     const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>&
         debug_info_listener,
     const DataTypeController::TypeMap* controllers,
     const DataTypeEncryptionHandler* encryption_handler,
     BackendDataTypeConfigurer* configurer,
     DataTypeManagerObserver* observer)
     : configurer_(configurer),
@@ skipping 627 matching lines @@
 DataTypeManager::State DataTypeManagerImpl::state() const {
   return state_;
 }
 
 void DataTypeManagerImpl::AddToConfigureTime() {
   DCHECK(!last_restart_time_.is_null());
   configure_time_delta_ += (base::Time::Now() - last_restart_time_);
 }
 
 }  // namespace sync_driver