Remove public SocketInputStream and SocketOutputStream clases

tools/ddbg.dart

 // Copyright (c) 2012, 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.
 
 // Simple interactive debugger shell that connects to the Dart VM's debugger
 // connection port.
 
 #import("dart:io");
 #import("dart:json");
 #import("dart:math", prefix: "Math");
@@ skipping 511 matching lines @@
       index = skipString(index);
     }
   }
   return 0;
 }
 
 
 void main() {
   outstandingCommands = new Map<int, Completer>();
   vmSock = new Socket("127.0.0.1", 5858);
-  vmStream = new SocketOutputStream(vmSock);
+  vmStream = vmSock.outputStream;
   var stdinStream = new StringInputStream(stdin);
   stdinStream.onLine = () {
     processCommand(stdinStream.readLine());
   };
-  var vmInStream = new SocketInputStream(vmSock);
+  var vmInStream = vmSock.inputStream;
   vmInStream.onData = () {
     String s = decodeUtf8(vmInStream.read());
     processVmData(s);
   };
   vmInStream.onError = (err) {
     print("Error in debug connection: $err");
     quitShell();
   };
   vmInStream.onClosed = () {
     print("VM debugger connection closed");
     quitShell();
   };
 }