[Sync] Move //components/sync to the syncer namespace, take 2.

components/sync/driver/generic_change_processor_factory.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/generic_change_processor_factory.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "components/sync/api/syncable_service.h"
 #include "components/sync/driver/generic_change_processor.h"
 
-namespace sync_driver {
+namespace syncer {
 
 GenericChangeProcessorFactory::GenericChangeProcessorFactory() {}
 
 GenericChangeProcessorFactory::~GenericChangeProcessorFactory() {}
 
 std::unique_ptr<GenericChangeProcessor>
 GenericChangeProcessorFactory::CreateGenericChangeProcessor(
-    syncer::ModelType type,
-    syncer::UserShare* user_share,
-    std::unique_ptr<syncer::DataTypeErrorHandler> error_handler,
-    const base::WeakPtr<syncer::SyncableService>& local_service,
-    const base::WeakPtr<syncer::SyncMergeResult>& merge_result,
+    ModelType type,
+    UserShare* user_share,
+    std::unique_ptr<DataTypeErrorHandler> error_handler,
+    const base::WeakPtr<SyncableService>& local_service,
+    const base::WeakPtr<SyncMergeResult>& merge_result,
     SyncClient* sync_client) {
   DCHECK(user_share);
   return base::MakeUnique<GenericChangeProcessor>(
       type, std::move(error_handler), local_service, merge_result, user_share,
       sync_client, local_service->GetAttachmentStoreForSync());
 }
 
-}  // namespace sync_driver
+}  // namespace syncer