Fix NetworkSMSHandler to use DBus service name instead of connection.

chromeos/dbus/fake_shill_device_client.cc

Index: chromeos/dbus/fake_shill_device_client.cc
diff --git a/chromeos/dbus/fake_shill_device_client.cc b/chromeos/dbus/fake_shill_device_client.cc
index c698277e58953f1e67134b60dcb26a461e6b8850..ca6e027671821992aa7328288d1529a1738ef37d 100644
--- a/chromeos/dbus/fake_shill_device_client.cc
+++ b/chromeos/dbus/fake_shill_device_client.cc
@@ -219,8 +219,9 @@ void FakeShillDeviceClient::AddDevice(const std::string& device_path,
                                       base::Value::CreateStringValue(type));
   properties->SetWithoutPathExpansion(
       shill::kDBusObjectProperty, base::Value::CreateStringValue(object_path));
-  properties->SetWithoutPathExpansion(shill::kDBusConnectionProperty,
-                                      base::Value::CreateStringValue("/stub"));
+  properties->SetWithoutPathExpansion(
+      shill::kDBusServiceProperty,
+      base::Value::CreateStringValue(modemmanager::kModemManager1));
   if (NetworkTypePattern::Cellular().MatchesType(type)) {
     properties->SetWithoutPathExpansion(shill::kCellularAllowRoamingProperty,
                                         new base::FundamentalValue(false));