[Sync] Move SharedModelTypeProcessor to model_impl/.

components/sync/model_impl/processor_entity_tracker.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_PROCESSOR_ENTITY_TRACKER_H_
-#define COMPONENTS_SYNC_CORE_PROCESSOR_ENTITY_TRACKER_H_
+#ifndef COMPONENTS_SYNC_MODEL_IMPL_PROCESSOR_ENTITY_TRACKER_H_
+#define COMPONENTS_SYNC_MODEL_IMPL_PROCESSOR_ENTITY_TRACKER_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/time/time.h"
 #include "components/sync/model/entity_data.h"
 #include "components/sync/protocol/entity_metadata.pb.h"
 
@@ skipping 126 matching lines @@
   // Sync data that exists for items being committed only.
   // The data is reset once commit confirmation is received.
   EntityDataPtr commit_data_;
 
   // The sequence number of the last item sent to the sync thread.
   int64_t commit_requested_sequence_number_;
 };
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_PROCESSOR_ENTITY_TRACKER_H_
+#endif  // COMPONENTS_SYNC_MODEL_IMPL_PROCESSOR_ENTITY_TRACKER_H_