Revert of [Sync] Move //components/sync to the syncer namespace. (patchset #5 id:40001 of https://co

components/sync/core_impl/model_type_connector_proxy.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_CORE_IMPL_MODEL_TYPE_CONNECTOR_PROXY_H_
 #define COMPONENTS_SYNC_CORE_IMPL_MODEL_TYPE_CONNECTOR_PROXY_H_
 
 #include <memory>
 
 #include "base/memory/weak_ptr.h"
 #include "base/sequenced_task_runner.h"
 #include "components/sync/base/model_type.h"
 #include "components/sync/core/model_type_connector.h"
 
-namespace syncer {
+namespace syncer_v2 {
 
 // Proxies all ModelTypeConnector calls to another thread. Typically used by
 // the SyncBackend to call from the UI thread to the real ModelTypeConnector on
 // the sync thread.
 class ModelTypeConnectorProxy : public ModelTypeConnector {
  public:
   ModelTypeConnectorProxy(
       const scoped_refptr<base::SequencedTaskRunner>& task_runner,
       const base::WeakPtr<ModelTypeConnector>& model_type_connector);
   ~ModelTypeConnectorProxy() override;
 
   // ModelTypeConnector implementation
   void ConnectType(
-      ModelType type,
+      syncer::ModelType type,
       std::unique_ptr<ActivationContext> activation_context) override;
-  void DisconnectType(ModelType type) override;
+  void DisconnectType(syncer::ModelType type) override;
 
  private:
   // A SequencedTaskRunner representing the thread where the ModelTypeConnector
   // lives.
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
   // The ModelTypeConnector this object is wrapping.
   base::WeakPtr<ModelTypeConnector> model_type_connector_;
 };
 
-}  // namespace syncer
+}  // namespace syncer_v2
 
 #endif  // COMPONENTS_SYNC_CORE_IMPL_MODEL_TYPE_CONNECTOR_PROXY_H_