Switch dart:html objects not to be NativeFieldWrapper subclasses with JsInterop

tools/dom/src/native_DOMImplementation.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.
 
 part of html;
 
 class _Property {
   _Property(this.name) :
       _hasValue = false,
       writable = false,
@@ skipping 792 matching lines @@
   static void _register(Document document, String tag, Type customType,
     String extendsTagName) => _blink.Blink_Utils.register(unwrap_jso(document), tag, customType, extendsTagName);
 
   static Element createElement(Document document, String tagName) =>
     wrap_jso(_blink.Blink_Utils.createElement(unwrap_jso(document), tagName));
 
   static Element changeElementWrapper(HtmlElement element, Type type) =>
     _blink.Blink_Utils.changeElementWrapper(unwrap_jso(element), type);
 }
 
-class _DOMWindowCrossFrame extends NativeFieldWrapperClass2 implements
+class _DOMWindowCrossFrame extends DartHtmlDomObject implements
     WindowBase {
   /** Needed because KeyboardEvent is implements.
    *  TODO(terry): Consider making blink_jsObject private (add underscore) for
    *               all blink_jsObject.  Then needed private wrap/unwrap_jso
    *               functions that delegate to a public wrap/unwrap_jso.
    */
   js.JsObject blink_jsObject;
 
   _DOMWindowCrossFrame.internal();
 
@@ skipping 30 matching lines @@
   // TODO(efortuna): Remove this method. dartbug.com/16814
   void _removeEventListener([String type, EventListener listener,
       bool useCapture]) => throw new UnsupportedError(
     'You can only attach EventListeners to your own window.');
   // TODO(efortuna): Remove this method. dartbug.com/16814
   void removeEventListener(String type, EventListener listener,
       [bool useCapture]) => throw new UnsupportedError(
     'You can only attach EventListeners to your own window.');
 }
 
-class _HistoryCrossFrame extends NativeFieldWrapperClass2 implements HistoryBase {
+class _HistoryCrossFrame extends DartHtmlDomObject implements HistoryBase {
   _HistoryCrossFrame.internal();
 
   // Methods.
   void back() => _blink.Blink_HistoryCrossFrame.back(this);
   void forward() => _blink.Blink_HistoryCrossFrame.forward(this);
   void go(int distance) => _blink.Blink_HistoryCrossFrame.go(this, distance);
 
   // Implementation support.
   String get typeName => "History";
 }
 
-class _LocationCrossFrame extends NativeFieldWrapperClass2 implements LocationBase {
+class _LocationCrossFrame extends DartHtmlDomObject implements LocationBase {
   _LocationCrossFrame.internal();
 
   // Fields.
   set href(String h) => _blink.Blink_LocationCrossFrame.set_href(this, h);
 
   // Implementation support.
   String get typeName => "Location";
 }
 
-class _DOMStringMap extends NativeFieldWrapperClass2 implements Map<String, String> {
+class _DOMStringMap extends DartHtmlDomObject implements Map<String, String> {
   _DOMStringMap.internal();
 
   bool containsValue(String value) => Maps.containsValue(this, value);
   bool containsKey(String key) => _blink.Blink_DOMStringMap.containsKey(this, key);
   String operator [](String key) => _blink.Blink_DOMStringMap.item(this, key);
   void operator []=(String key, String value) => _blink.Blink_DOMStringMap.setItem(this, key, value);
   String putIfAbsent(String key, String ifAbsent()) => Maps.putIfAbsent(this, key, ifAbsent);
   String remove(String key) => _blink.Blink_DOMStringMap.remove(this, key);
   void clear() => Maps.clear(this);
   void forEach(void f(String key, String value)) => Maps.forEach(this, f);
@@ skipping 210 matching lines @@
 
 get _scheduleImmediateClosure => (void callback()) {
   _scheduleImmediateHelper._schedule(callback);
 };
 
 get _pureIsolateScheduleImmediateClosure => ((void callback()) =>
   throw new UnimplementedError("scheduleMicrotask in background isolates "
                                "are not supported in the browser"));
 
 // Class for unsupported native browser 'DOM' objects.
-class _UnsupportedBrowserObject extends NativeFieldWrapperClass2 {
+class _UnsupportedBrowserObject extends DartHtmlDomObject {
 }