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

components/sync/api/mock_model_type_store.h

 // Copyright 2015 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_API_MOCK_MODEL_TYPE_STORE_H_
 #define COMPONENTS_SYNC_API_MOCK_MODEL_TYPE_STORE_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "components/sync/api/model_type_store.h"
 
-namespace syncer_v2 {
+namespace syncer {
 
 // MockModelTypeStore is implementation of ModelTypeStore that does nothing.
 // Use it when testing components that depend on ModelTypeStore.
 //
 // By default all methods return SUCCESS and empty results. It is possible to
 // register custom handlers for certain functions to override behavior. It is
 // responsibility of handler to post callback with result.
 // Here is an example:
 // ===
 // void OnReadData(const ModelTypeStore::IdList& id_list,
@@ skipping 81 matching lines @@
   ReadAllMetadataSignature read_all_metadata_handler_;
   CommitWriteBatchSignature commit_write_batch_handler_;
   WriteRecordSignature write_data_handler_;
   WriteRecordSignature write_metadata_handler_;
   WriteGlobalMetadataSignature write_global_metadata_handler_;
   DeleteRecordSignature delete_data_handler_;
   DeleteRecordSignature delete_metadata_handler_;
   DeleteGlobalMetadataSignature delete_global_metadata_handler_;
 };
 
-}  // namespace syncer_v2
+}  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_API_MOCK_MODEL_TYPE_STORE_H_