Implement list based output stream and add pipe to list based input streams

runtime/bin/list_input_stream.dart

-// Copyright (c) 2011, 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 ListInputStream extends _BaseDataInputStream implements InputStream {
-  ListInputStream(List<int> this._buffer) {
-    _streamMarkedClosed = true;
-  }
-
-  int available() => _buffer.length - _offset;
-
-  List<int> _read(int bytesToRead) {
-    if (_offset == 0 && bytesToRead == _buffer.length) {
-      _offset = _buffer.length;
-      return _buffer;
-    } else {
-      List<int> result = _buffer.getRange(_offset, bytesToRead);
-      _offset += bytesToRead;
-      return result;
-    }
-  }
-
-  int _readInto(List<int> buffer, int offset, int bytesToRead) {
-    buffer.setRange(offset, bytesToRead, _buffer, _offset);
-    _offset += bytesToRead;
-    return bytesToRead;
-  }
-
-  List<int> _buffer;
-  int _offset = 0;
-}
-
-
-class DynamicListInputStream
-    extends _BaseDataInputStream implements InputStream {
-  DynamicListInputStream() : _bufferList = new _BufferList();
-
-  int available() => _bufferList.length;
-
-  void write(List<int> data) {
-    _bufferList.add(data);
-    _checkScheduleCallbacks();
-  }
-
-  void markEndOfStream() {
-    _streamMarkedClosed = true;
-    _checkScheduleCallbacks();
-  }
-
-  List<int> _read(int bytesToRead) {
-    return _bufferList.readBytes(bytesToRead);
-  }
-
-  int _readInto(List<int> buffer, int offset, int bytesToRead) {
-    List<int> tmp = _bufferList.readBytes(byteToRead);
-    buffer.setRange(offset, bytesToRead, tmp, _offset);
-    return bytesToRead;
-  }
-
-  _BufferList _bufferList;
-}