PreferencesManager

services/preferences/public/cpp/pref_observer_store.cc

Index: services/preferences/public/cpp/pref_observer_store.cc
diff --git a/services/preferences/public/cpp/pref_observer_store.cc b/services/preferences/public/cpp/pref_observer_store.cc
index 5a5f9cb1671cee05034994489f8af7ea0ab80bf0..2b058d4c656463f66ecffed91d5406f2041f8c9a 100644
--- a/services/preferences/public/cpp/pref_observer_store.cc
+++ b/services/preferences/public/cpp/pref_observer_store.cc
@@ -91,7 +91,12 @@ void PrefObserverStore::OnPreferencesChanged(
     if (keys_.find(it.key()) == keys_.end())
       continue;
     // We deliberately call the parent to avoid notifying the server again.
-    ValueMapPrefStore::SetValue(it.key(), it.value().CreateDeepCopy(), 0);
+    if (!initialized_) {
+      ValueMapPrefStore::SetValueSilently(it.key(), it.value().CreateDeepCopy(),
+                                          0);
+    } else {
+      ValueMapPrefStore::SetValue(it.key(), it.value().CreateDeepCopy(), 0);
+    }
   }
 
   if (!initialized_) {