Replace scoped_ptr with std::unique_ptr in //ui

ui/chromeos/network/network_state_notifier.cc

Index: ui/chromeos/network/network_state_notifier.cc
diff --git a/ui/chromeos/network/network_state_notifier.cc b/ui/chromeos/network/network_state_notifier.cc
index 4394cddc36738d314ce004218e910ae7cc429019..ec853830d0e3b012661951f991832e99b11a7a0a 100644
--- a/ui/chromeos/network/network_state_notifier.cc
+++ b/ui/chromeos/network/network_state_notifier.cc
@@ -340,7 +340,7 @@ void NetworkStateNotifier::ConnectErrorPropertiesFailed(
     const std::string& error_name,
     const std::string& service_path,
     const std::string& shill_connect_error,
-    scoped_ptr<base::DictionaryValue> shill_error_data) {
+    std::unique_ptr<base::DictionaryValue> shill_error_data) {
   base::DictionaryValue shill_properties;
   ShowConnectErrorNotification(error_name, service_path, shill_properties);
 }