Get rid of DOMWrapperBase and DOMTypeBase.

lib/dom/templates/html/dartium/html_dartium.darttemplate

 // 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.
 
 // DO NOT EDIT
 // Auto-generated dart:html library.
 
 #library("html");
 
 #import("dart:isolate");
 #import("dart:nativewrappers");
 
 $!GENERATED_DART_FILES
 
 #source('$AUXILIARY_DIR/EventListener.dart');
 #source('$AUXILIARY_DIR/KeyLocation.dart');
 #source('$AUXILIARY_DIR/KeyName.dart');
 #source('$AUXILIARY_DIR/ReadyState.dart');
 #source('$AUXILIARY_DIR/_Collections.dart');
 #source('$AUXILIARY_DIR/_XMLHttpRequestUtils.dart');
 #source('$AUXILIARY_DIR/../../html/src/shared_FactoryProviders.dart');
 #source('$AUXILIARY_DIR/../../html/src/dartium_FactoryProviders.dart');
 #source('$AUXILIARY_DIR/../../html/src/IDBOpenDBRequest.dart');
 #source('$AUXILIARY_DIR/../../html/src/Measurement.dart');
 #source('$AUXILIARY_DIR/../../html/src/Device.dart');
 #source('$AUXILIARY_DIR/../../html/src/_Testing.dart');
-#source('$AUXILIARY_DIR/../../html/src/_DOMTypeBase.dart');
 #source('$AUXILIARY_DIR/_ListIterators.dart');
 #source('$AUXILIARY_DIR/_Lists.dart');
 
-#source('$AUXILIARY_DIR/native_DOMWrapperBase.dart');
 #source('$AUXILIARY_DIR/native_DOMPublic.dart');
 #source('$AUXILIARY_DIR/native_DOMImplementation.dart');
 
 Window __window;
 
 Window get window() {
   if (__window !== null) {
     return __window;
   }
   __window = _Utils.window();
@@ skipping 15 matching lines @@
 Document get _document() => _window.document;
 
 Element query(String selector) => _document.query(selector);
 ElementList queryAll(String selector) => _document.queryAll(selector);
 
 class _Null {
   const _Null();
 }
 
 final _null = const _Null();