Remove raw DictionaryValue::Set in //components

components/sync/test/fake_server/fake_server.cc

Index: components/sync/test/fake_server/fake_server.cc
diff --git a/components/sync/test/fake_server/fake_server.cc b/components/sync/test/fake_server/fake_server.cc
index c2a1a603e51de1d4cc45dbddb49fc835e41f5943..de1cb209907ecd8ea7256b7e968a9d785c977fc4 100644
--- a/components/sync/test/fake_server/fake_server.cc
+++ b/components/sync/test/fake_server/fake_server.cc
@@ -504,7 +504,8 @@ FakeServer::GetEntitiesAsDictionaryValue() {
   // Initialize an empty ListValue for all ModelTypes.
   ModelTypeSet all_types = ModelTypeSet::All();
   for (ModelTypeSet::Iterator it = all_types.First(); it.Good(); it.Inc()) {
-    dictionary->Set(ModelTypeToString(it.Get()), new base::ListValue());
+    dictionary->Set(ModelTypeToString(it.Get()),
+                    base::MakeUnique<base::ListValue>());
   }
 
   for (EntityMap::const_iterator it = entities_.begin(); it != entities_.end();