[Sync] Prepend global metadata key with model type prefix

components/sync/model/model_type_store_test_util.cc

Index: components/sync/model/model_type_store_test_util.cc
diff --git a/components/sync/model/model_type_store_test_util.cc b/components/sync/model/model_type_store_test_util.cc
index 86ad18aed5556bf064d3c8eb44f256b659c4c409..6fecb60d0b049a77b15fbbcc3d18c4fe89c71568 100644
--- a/components/sync/model/model_type_store_test_util.cc
+++ b/components/sync/model/model_type_store_test_util.cc
@@ -8,6 +8,7 @@
 
 #include "base/bind.h"
 #include "base/run_loop.h"
+#include "components/sync/base/model_type.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
@@ -30,7 +31,7 @@ std::unique_ptr<ModelTypeStore>
 ModelTypeStoreTestUtil::CreateInMemoryStoreForTest() {
   std::unique_ptr<ModelTypeStore> store;
   ModelTypeStore::CreateInMemoryStoreForTest(
-      base::Bind(&MoveStoreToScopedPtr, &store));
+      UNSPECIFIED, base::Bind(&MoveStoreToScopedPtr, &store));
 
   // Force the initialization to run now, synchronously.
   base::RunLoop().RunUntilIdle();