Change getRange to sublist. Make getRange deprecated.

sdk/lib/utf/utf_stream.dart

 // 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.
 
 part of dart.utf;
 
 class _HelperStreamController<T> extends StreamController<T> {
   final Function onPauseChanged;
 
   _HelperStreamController(this.onPauseChanged);
@@ skipping 34 matching lines @@
       int consumed = _processBytes(getNext);
       if (consumed > 0) {
         goodChars = _buffer.length;
       } else if (consumed == 0) {
         _buffer.length = goodChars;
         if (currentPos < 0) {
           _carry = [];
           _carry.addAll(carry);
           _carry.addAll(bytes);
         } else {
-          _carry = bytes.getRange(currentPos, bytes.length - currentPos);
+          _carry = bytes.sublist(currentPos);
         }
         break;
       } else {
         // Invalid byte at position pos - 1
         _buffer.length = goodChars;
         _addChar(-1);
         goodChars = _buffer.length;
       }
     }
     if (_buffer.length > 0) {
@@ skipping 113 matching lines @@
       }
       for (int i = additionalBytes; i > 0; i--) {
         // 10xxxxxx (xxxxxx is next 6 bits from the top).
         bytes.add(((charCode >> (6 * (i - 1))) & 0x3F) | 0x80);
       }
       pos += additionalBytes + 1;
     }
     return bytes;
   }
 }