Automatically generate most constructors

client/dom/src/frog_FactoryProviders.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 _AudioContextFactoryProvider {
 
   factory AudioContext() native '''
     var constructor = window.AudioContext || window.webkitAudioContext;
     return new constructor();
 ''';
 }
 
-class _DOMParserFactoryProvider {
-
-  factory DOMParser() native '''return new DOMParser();''';
-}
-
-class _FileReaderFactoryProvider {
-
-  factory FileReader() native '''return new FileReader();''';
-}
-
 class _TypedArrayFactoryProvider {
 
   factory Float32Array(int length) => _F32(length);
   factory Float32Array.fromList(List<num> list) => _F32(ensureNative(list));
   factory Float32Array.fromBuffer(ArrayBuffer buffer) => _F32(buffer);
 
   factory Float64Array(int length) => _F64(length);
   factory Float64Array.fromList(List<num> list) => _F64(ensureNative(list));
   factory Float64Array.fromBuffer(ArrayBuffer buffer) => _F64(buffer);
 
@@ skipping 31 matching lines @@
   static Int16Array _I16(arg) native 'return new Int16Array(arg);';
   static Int32Array _I32(arg) native 'return new Int32Array(arg);';
   static Uint8Array _U8(arg) native 'return new Uint8Array(arg);';
   static Uint16Array _U16(arg) native 'return new Uint16Array(arg);';
   static Uint32Array _U32(arg) native 'return new Uint32Array(arg);';
   static Uint8ClampedArray _U8C(arg) native 'return new Uint8ClampedArray(arg);';
 
   static ensureNative(List list) => list;  // TODO: make sure.
 }
 
-class _WebKitCSSMatrixFactoryProvider {
-
-  factory WebKitCSSMatrix([String spec = '']) native
-      '''return new WebKitCSSMatrix(spec);''';
-}
-
 class _WebKitPointFactoryProvider {
 
   factory WebKitPoint(num x, num y) native '''return new WebKitPoint(x, y);''';
 }
 
 class _WebSocketFactoryProvider {
 
   factory WebSocket(String url) native '''return new WebSocket(url);''';
 }
-
-class _XMLHttpRequestFactoryProvider {
-
-  factory XMLHttpRequest() native '''return new XMLHttpRequest();''';
-}
-
-class _XSLTProcessorFactoryProvider {
-
-  factory XSLTProcessor() native '''return new XSLTProcessor();''';
-}