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

components/sync/model/model_type_store_test_util.h

Index: components/sync/model/model_type_store_test_util.h
diff --git a/components/sync/core/test/model_type_store_test_util.h b/components/sync/model/model_type_store_test_util.h
similarity index 83%
rename from components/sync/core/test/model_type_store_test_util.h
rename to components/sync/model/model_type_store_test_util.h
index e87dbb3605550fc6ae97bf78613f01ae055b8152..8bcf4bcc47c11e1f323edca3c0472529dc4096d3 100644
--- a/components/sync/core/test/model_type_store_test_util.h
+++ b/components/sync/model/model_type_store_test_util.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_TEST_MODEL_TYPE_STORE_TEST_UTIL_H_
-#define COMPONENTS_SYNC_CORE_TEST_MODEL_TYPE_STORE_TEST_UTIL_H_
+#ifndef COMPONENTS_SYNC_MODEL_MODEL_TYPE_STORE_TEST_UTIL_H_
+#define COMPONENTS_SYNC_MODEL_MODEL_TYPE_STORE_TEST_UTIL_H_
 
 #include <memory>
 
@@ -27,4 +27,4 @@ class ModelTypeStoreTestUtil {
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_TEST_MODEL_TYPE_STORE_TEST_UTIL_H_
+#endif  // COMPONENTS_SYNC_MODEL_MODEL_TYPE_STORE_TEST_UTIL_H_