Revert "Revert "Implement {Int,Uint}{8,16,32,64} and Float{32,64} typed arrays.""

runtime/bin/socket_impl.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.
 
 
 class _SocketBase {
   // Bit flags used when communicating between the eventhandler and
   // dart code. The EVENT flags are used to indicate events of
   // interest when sending a message from dart code to the
   // eventhandler. When receiving a message from the eventhandler the
@@ skipping 393 matching lines @@
         throw new IndexOutOfRangeException(bytes);
       }
       if ((offset + bytes) > buffer.length) {
         throw new IndexOutOfRangeException(offset + bytes);
       }
       // When using the Dart C API to access raw data, using a ByteArray is
       // currently much faster. This function will make a copy of the
       // supplied List to a ByteArray if it isn't already.
       List outBuffer;
       int outOffset = offset;
-      if (buffer is ByteArray || buffer is ObjectArray) {
+      if (buffer is Uint8List || buffer is ObjectArray) {
         outBuffer = buffer;
       } else {
-        outBuffer = new ByteArray(bytes);
+        outBuffer = new Uint8List(bytes);
         outOffset = 0;
         int j = offset;
         for (int i = 0; i < bytes; i++) {
           int value = buffer[j];
           if (value is! int) {
             throw new FileIOException(
                 "List element is not an integer at index $j");
           }
           outBuffer[i] = value;
           j++;
@@ skipping 161 matching lines @@
   bool _seenFirstOutEvent = false;
   bool _pipe = false;
   Function _clientConnectHandler;
   Function _clientWriteHandler;
   SocketInputStream _inputStream;
   SocketOutputStream _outputStream;
   String _remoteHost;
   int _remotePort;
   static SendPort _socketService;
 }