Some build file cleanup

runtime/bin/io_service.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+#if !defined(DART_IO_SECURE_SOCKET_DISABLED)
+
+#include "bin/io_service.h"
+
 #include "bin/dartutils.h"
 #include "bin/directory.h"
 #include "bin/file.h"
 #include "bin/io_buffer.h"
-#include "bin/io_service.h"
 #include "bin/secure_socket.h"
 #include "bin/socket.h"
 #include "bin/utils.h"
 
 #include "include/dart_api.h"
 
 #include "platform/globals.h"
 #include "platform/utils.h"
 
 namespace dart {
@@ skipping 45 matching lines @@
   Dart_Port service_port = IOService::GetServicePort();
   if (service_port != ILLEGAL_PORT) {
     // Return a send port for the service port.
     Dart_Handle send_port = Dart_NewSendPort(service_port);
     Dart_SetReturnValue(args, send_port);
   }
 }
 
 }  // namespace bin
 }  // namespace dart
+
+#endif  // !defined(DART_IO_SECURE_SOCKET_DISABLED)