Fix NetworkSMSHandler to use DBus service name instead of connection.

chromeos/dbus/fake_modem_messaging_client.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/dbus/fake_modem_messaging_client.h"
 
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "dbus/object_path.h"
 
 namespace chromeos {
 
 FakeModemMessagingClient::FakeModemMessagingClient() {}
 FakeModemMessagingClient::~FakeModemMessagingClient() {}
 
 void FakeModemMessagingClient::Init(dbus::Bus* bus) {}
 
 void FakeModemMessagingClient::SetSmsReceivedHandler(
     const std::string& service_name,
     const dbus::ObjectPath& object_path,
     const SmsReceivedHandler& handler) {
-  DCHECK(sms_received_handler_.is_null());
   sms_received_handler_ = handler;
 }
 
 void FakeModemMessagingClient::ResetSmsReceivedHandler(
     const std::string& service_name,
     const dbus::ObjectPath& object_path) {
   sms_received_handler_.Reset();
 }
 
 void FakeModemMessagingClient::Delete(const std::string& service_name,
@@ skipping 19 matching lines @@
     message_paths_.push_back(kSmsPath);
     if (!sms_received_handler_.is_null())
       sms_received_handler_.Run(kSmsPath, true);
     callback.Run(no_paths);
   } else {
     callback.Run(message_paths_);
   }
 }
 
 }  // namespace chromeos