NetworkSmsHandler: Use the ModemManager1 dbus interfaces

chromeos/network/network_sms_handler.h

Index: chromeos/network/network_sms_handler.h
diff --git a/chromeos/network/network_sms_handler.h b/chromeos/network/network_sms_handler.h
index 518b7b11584818e6c8028978b742389cc97bba5b..5bbe09e8d1431e251eb445d16fd40fa1797e54d5 100644
--- a/chromeos/network/network_sms_handler.h
+++ b/chromeos/network/network_sms_handler.h
@@ -5,6 +5,8 @@
 #ifndef CHROMEOS_NETWORK_NETWORK_SMS_HANDLER_H_
 #define CHROMEOS_NETWORK_NETWORK_SMS_HANDLER_H_
 
+#include <string>
+
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
@@ -46,6 +48,8 @@ class CHROMEOS_EXPORT NetworkSmsHandler {
 
  private:
   class NetworkSmsDeviceHandler;
+  class ModemManagerNetworkSmsDeviceHandler;
+  class ModemManager1NetworkSmsDeviceHandler;
 
   // Called from NetworkSmsDeviceHandler when a message is received.
   void NotifyMessageReceived(const base::DictionaryValue& message);