[Sync] Make SMTP always have the dump stack function.

components/sync/model/model_type_change_processor.cc

Index: components/sync/model/model_type_change_processor.cc
diff --git a/components/sync/model/model_type_change_processor.cc b/components/sync/model/model_type_change_processor.cc
index f7cb0c46e15fe92f8bf902290844c89d05838aec..f32b12fd5839eaa18ba646fcd7c7ccaea0ec91e1 100644
--- a/components/sync/model/model_type_change_processor.cc
+++ b/components/sync/model/model_type_change_processor.cc
@@ -11,9 +11,10 @@ namespace syncer {
 
 // static
 std::unique_ptr<ModelTypeChangeProcessor> ModelTypeChangeProcessor::Create(
+    const base::RepeatingClosure& dump_stack,
     ModelType type,
     ModelTypeSyncBridge* bridge) {
-  return base::MakeUnique<SharedModelTypeProcessor>(type, bridge);
+  return base::MakeUnique<SharedModelTypeProcessor>(type, bridge, dump_stack);
 }
 
 ModelTypeChangeProcessor::ModelTypeChangeProcessor() {}