[Sync] Move //components/sync to the syncer namespace.

components/sync/core/test/model_type_store_test_util.h

Index: components/sync/core/test/model_type_store_test_util.h
diff --git a/components/sync/core/test/model_type_store_test_util.h b/components/sync/core/test/model_type_store_test_util.h
index e058c9a9595ae5d16fb4e9ba7411536019471b66..7e27f2f051e961ca8c467ae49b6b7274be287578 100644
--- a/components/sync/core/test/model_type_store_test_util.h
+++ b/components/sync/core/test/model_type_store_test_util.h
@@ -9,7 +9,7 @@
 
 #include "components/sync/api/model_type_store.h"
 
-namespace syncer_v2 {
+namespace syncer {
 
 // Util class with several static methods to facilitate writing unit tests for
 // classes that use ModelTypeStore objects.
@@ -25,6 +25,6 @@ class ModelTypeStoreTestUtil {
                                   const ModelTypeStore::InitCallback& callback);
 };
 
-}  // namespace syncer_v2
+}  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_CORE_TEST_MODEL_TYPE_STORE_TEST_UTIL_H_