- Remove the legacy debug protocol.

runtime/bin/process.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.
 
 #include "bin/dartutils.h"
-#include "bin/dbg_connection.h"
-#include "bin/eventhandler.h"
 #include "bin/io_buffer.h"
 #include "bin/log.h"
 #include "bin/platform.h"
 #include "bin/process.h"
 #include "bin/socket.h"
 #include "bin/utils.h"
 
 #include "include/dart_api.h"
 
 namespace dart {
@@ skipping 351 matching lines @@
     free(const_cast<char*>(system_string));
     Dart_PropagateError(result);
   }
   memmove(buffer, system_string, system_len);
   free(const_cast<char*>(system_string));
   Dart_SetReturnValue(args, external_array);
 }
 
 }  // namespace bin
 }  // namespace dart