[Sync] Move model_type* from syncable/ to base/

sync/internal_api/public/base/model_type_test_util.h

Index: sync/internal_api/public/base/model_type_test_util.h
diff --git a/sync/internal_api/public/syncable/model_type_test_util.h b/sync/internal_api/public/base/model_type_test_util.h
similarity index 72%
rename from sync/internal_api/public/syncable/model_type_test_util.h
rename to sync/internal_api/public/base/model_type_test_util.h
index f60e1c0967a8ea21edd9051104dd96ec68992d42..4f5b8044995c5fbb55cdde2a7cc34cdd27d2d957 100644
--- a/sync/internal_api/public/syncable/model_type_test_util.h
+++ b/sync/internal_api/public/base/model_type_test_util.h
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef SYNC_INTERNAL_PUBLIC_API_SYNCABLE_MODEL_TYPE_TEST_UTIL_H_
-#define SYNC_INTERNAL_PUBLIC_API_SYNCABLE_MODEL_TYPE_TEST_UTIL_H_
+#ifndef SYNC_INTERNAL_PUBLIC_API_BASE_MODEL_TYPE_TEST_UTIL_H_
+#define SYNC_INTERNAL_PUBLIC_API_BASE_MODEL_TYPE_TEST_UTIL_H_
 #pragma once
 
 #include <ostream>
 
-#include "sync/internal_api/public/syncable/model_type.h"
+#include "sync/internal_api/public/base/model_type.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace syncer {
@@ -25,4 +25,4 @@ void PrintTo(ModelTypeSet model_types, ::std::ostream* os);
 }  // namespace syncable
 }  // namespace syncer
 
-#endif  // SYNC_INTERNAL_PUBLIC_API_SYNCABLE_MODEL_TYPE_TEST_UTIL_H_
+#endif  // SYNC_INTERNAL_PUBLIC_API_BASE_MODEL_TYPE_TEST_UTIL_H_