[Sync] Move some things from core/ to model(_impl)/.

components/sync/model_impl/model_type_store_impl.h

Index: components/sync/model_impl/model_type_store_impl.h
diff --git a/components/sync/core/model_type_store_impl.h b/components/sync/model_impl/model_type_store_impl.h
similarity index 96%
rename from components/sync/core/model_type_store_impl.h
rename to components/sync/model_impl/model_type_store_impl.h
index c1b089d41f7273c31652043a6cd0feb99c4b927b..57bb9807d4fd44b9dafa0d4e64e97477f171f1ed 100644
--- a/components/sync/core/model_type_store_impl.h
+++ b/components/sync/model_impl/model_type_store_impl.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_SYNC_CORE_MODEL_TYPE_STORE_IMPL_H_
-#define COMPONENTS_SYNC_CORE_MODEL_TYPE_STORE_IMPL_H_
+#ifndef COMPONENTS_SYNC_MODEL_IMPL_MODEL_TYPE_STORE_IMPL_H_
+#define COMPONENTS_SYNC_MODEL_IMPL_MODEL_TYPE_STORE_IMPL_H_
 
 #include <memory>
 #include <string>
@@ -120,4 +120,4 @@ class ModelTypeStoreImpl : public ModelTypeStore, public base::NonThreadSafe {
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_MODEL_TYPE_STORE_IMPL_H_
+#endif  // COMPONENTS_SYNC_MODEL_IMPL_MODEL_TYPE_STORE_IMPL_H_