diff --git a/buffet/states/state_change_queue.cc b/buffet/states/state_change_queue.cc
index f27b339..74ac682 100644
--- a/buffet/states/state_change_queue.cc
+++ b/buffet/states/state_change_queue.cc
@@ -15,7 +15,7 @@
 
 bool StateChangeQueue::NotifyPropertiesUpdated(
     base::Time timestamp,
-    chromeos::VariantDictionary changed_properties) {
+    native_types::Object changed_properties) {
   DCHECK(thread_checker_.CalledOnValidThread());
   auto it = state_changes_.lower_bound(timestamp);
   if (it == state_changes_.end() || it->first != timestamp) {