[Sync] Merge NBDTC and subclasses into ModelTypeController.

components/sync/core/model_type_processor_proxy.h

Index: components/sync/core/model_type_processor_proxy.h
diff --git a/components/sync/core/test/fake_model_type_processor.h b/components/sync/core/model_type_processor_proxy.h
similarity index 51%
copy from components/sync/core/test/fake_model_type_processor.h
copy to components/sync/core/model_type_processor_proxy.h
index 8fc866d3e835fecc1c3a659f708bcf0856397af2..3a08d3f319104aff8982e3fdc2bef02731da949a 100644
--- a/components/sync/core/test/fake_model_type_processor.h
+++ b/components/sync/core/model_type_processor_proxy.h
@@ -2,29 +2,37 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_SYNC_CORE_TEST_FAKE_MODEL_TYPE_PROCESSOR_H_
-#define COMPONENTS_SYNC_CORE_TEST_FAKE_MODEL_TYPE_PROCESSOR_H_
+#ifndef COMPONENTS_SYNC_CORE_MODEL_TYPE_PROCESSOR_PROXY_H_
+#define COMPONENTS_SYNC_CORE_MODEL_TYPE_PROCESSOR_PROXY_H_
 
 #include <memory>
 
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "base/sequenced_task_runner.h"
 #include "components/sync/core/model_type_processor.h"
 
 namespace syncer {
 
-class FakeModelTypeProcessor : public ModelTypeProcessor {
+class ModelTypeProcessorProxy : public ModelTypeProcessor {
  public:
-  FakeModelTypeProcessor();
-  ~FakeModelTypeProcessor() override;
+  ModelTypeProcessorProxy(
+      const base::WeakPtr<ModelTypeProcessor>& processor,
+      const scoped_refptr<base::SequencedTaskRunner>& task_runner);
+  ~ModelTypeProcessorProxy() override;
 
-  // ModelTypeProcessor implementation.
   void ConnectSync(std::unique_ptr<CommitQueue> worker) override;
   void DisconnectSync() override;
   void OnCommitCompleted(const sync_pb::ModelTypeState& type_state,
                          const CommitResponseDataList& response_list) override;
   void OnUpdateReceived(const sync_pb::ModelTypeState& type_state,
                         const UpdateResponseDataList& updates) override;
+
+ private:
+  base::WeakPtr<ModelTypeProcessor> processor_;
+  scoped_refptr<base::SequencedTaskRunner> task_runner_;
 };
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_TEST_FAKE_MODEL_TYPE_PROCESSOR_H_
+#endif  // COMPONENTS_SYNC_CORE_MODEL_TYPE_PROCESSOR_PROXY_H_