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

runtime/bin/socket_stream_impl.dart

Index: runtime/bin/socket_stream_impl.dart
diff --git a/runtime/bin/socket_stream_impl.dart b/runtime/bin/socket_stream_impl.dart
index 45c7e4d0e763aab00932557f986642d494efa6a6..f92754b0053a082c935d6fb7190c2698a133bac0 100644
--- a/runtime/bin/socket_stream_impl.dart
+++ b/runtime/bin/socket_stream_impl.dart
@@ -18,7 +18,7 @@ class _SocketInputStream implements SocketInputStream {
         bytesToRead = len;
       }
     }
-    ByteArray buffer = new ByteArray(bytesToRead);
+    List<int> buffer = new Uint8List(bytesToRead);
     int bytesRead = _socket.readList(buffer, 0, bytesToRead);
     if (bytesRead == 0) {
       // On MacOS when reading from a tty Ctrl-D will result in one
@@ -27,7 +27,7 @@ class _SocketInputStream implements SocketInputStream {
       // which is indicated by a null return value.
       return null;
     } else if (bytesRead < bytesToRead) {
-      ByteArray newBuffer = new ByteArray(bytesRead);
+      List<int> newBuffer = new Uint8List(bytesRead);
       newBuffer.setRange(0, bytesRead, buffer);
       return newBuffer;
     } else {