| Index: runtime/bin/filter_patch.dart | 
| diff --git a/runtime/bin/filter_patch.dart b/runtime/bin/filter_patch.dart | 
| index db086f9a6b9141733078f00c277ec6e56ea07cb4..67a2dcdadda2debb2ca95a3a43aa54127056d90b 100644 | 
| --- a/runtime/bin/filter_patch.dart | 
| +++ b/runtime/bin/filter_patch.dart | 
| @@ -2,7 +2,6 @@ | 
| // 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 _FilterImpl extends NativeFieldWrapperClass1 implements _Filter { | 
| void process(List<int> data, int start, int end) native "Filter_Process"; | 
|  | 
| @@ -20,24 +19,22 @@ class _ZLibInflateFilter extends _FilterImpl { | 
|  | 
| class _ZLibDeflateFilter extends _FilterImpl { | 
| _ZLibDeflateFilter(bool gzip, int level, int windowBits, int memLevel, | 
| -                     int strategy, List<int> dictionary, bool raw) { | 
| +      int strategy, List<int> dictionary, bool raw) { | 
| _init(gzip, level, windowBits, memLevel, strategy, dictionary, raw); | 
| } | 
| -  void _init(bool gzip, int level, int windowBits, int memLevel, | 
| -             int strategy, List<int> dictionary, bool raw) | 
| -      native "Filter_CreateZLibDeflate"; | 
| +  void _init(bool gzip, int level, int windowBits, int memLevel, int strategy, | 
| +      List<int> dictionary, bool raw) native "Filter_CreateZLibDeflate"; | 
| } | 
|  | 
| -@patch class _Filter { | 
| -  @patch static _Filter _newZLibDeflateFilter(bool gzip, int level, | 
| -                                                    int windowBits, int memLevel, | 
| -                                                    int strategy, | 
| -                                                    List<int> dictionary, | 
| -                                                    bool raw) => | 
| -      new _ZLibDeflateFilter(gzip, level, windowBits, memLevel, strategy, | 
| -                             dictionary, raw); | 
| -  @patch static _Filter _newZLibInflateFilter(int windowBits, | 
| -                                                    List<int> dictionary, | 
| -                                                    bool raw) => | 
| +@patch | 
| +class _Filter { | 
| +  @patch | 
| +  static _Filter _newZLibDeflateFilter(bool gzip, int level, int windowBits, | 
| +          int memLevel, int strategy, List<int> dictionary, bool raw) => | 
| +      new _ZLibDeflateFilter( | 
| +          gzip, level, windowBits, memLevel, strategy, dictionary, raw); | 
| +  @patch | 
| +  static _Filter _newZLibInflateFilter( | 
| +          int windowBits, List<int> dictionary, bool raw) => | 
| new _ZLibInflateFilter(windowBits, dictionary, raw); | 
| } | 
|  |