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

sdk/lib/web_audio/dartium/web_audio_dartium.dart

 /**
  * High-fidelity audio programming in the browser.
  */
 library dart.dom.web_audio;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:_internal';
 import 'dart:html';
 import 'dart:html_common';
@@ skipping 155 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable()
 @DomName('AudioBuffer')
 // https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioBuffer-section
 @Experimental()
-class AudioBuffer extends NativeFieldWrapperClass2 {
+class AudioBuffer extends DartHtmlDomObject {
   // To suppress missing implicit constructor warnings.
   factory AudioBuffer._() { throw new UnsupportedError("Not supported"); }
 
   static AudioBuffer internalCreateAudioBuffer() {
     return new AudioBuffer._internalWrap();
   }
 
-  js.JsObject blink_jsObject;
-
   factory AudioBuffer._internalWrap() {
     return new AudioBuffer.internal_();
   }
 
   AudioBuffer.internal_() { }
 
   bool operator ==(other) => unwrap_jso(other) == unwrap_jso(this) || identical(this, other);
   int get hashCode => unwrap_jso(this).hashCode;
 
   @DomName('AudioBuffer.duration')
@@ skipping 353 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable()
 @DomName('AudioListener')
 // https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioListener-section
 @Experimental()
-class AudioListener extends NativeFieldWrapperClass2 {
+class AudioListener extends DartHtmlDomObject {
   // To suppress missing implicit constructor warnings.
   factory AudioListener._() { throw new UnsupportedError("Not supported"); }
 
   static AudioListener internalCreateAudioListener() {
     return new AudioListener._internalWrap();
   }
 
-  js.JsObject blink_jsObject;
-
   factory AudioListener._internalWrap() {
     return new AudioListener.internal_();
   }
 
   AudioListener.internal_() { }
 
   bool operator ==(other) => unwrap_jso(other) == unwrap_jso(this) || identical(this, other);
   int get hashCode => unwrap_jso(this).hashCode;
 
   @DomName('AudioListener.dopplerFactor')
@@ skipping 113 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable()
 @DomName('AudioParam')
 // https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioParam
 @Experimental()
-class AudioParam extends NativeFieldWrapperClass2 {
+class AudioParam extends DartHtmlDomObject {
   // To suppress missing implicit constructor warnings.
   factory AudioParam._() { throw new UnsupportedError("Not supported"); }
 
   static AudioParam internalCreateAudioParam() {
     return new AudioParam._internalWrap();
   }
 
-  js.JsObject blink_jsObject;
-
   factory AudioParam._internalWrap() {
     return new AudioParam.internal_();
   }
 
   AudioParam.internal_() { }
 
   bool operator ==(other) => unwrap_jso(other) == unwrap_jso(this) || identical(this, other);
   int get hashCode => unwrap_jso(this).hashCode;
 
   @DomName('AudioParam.defaultValue')
@@ skipping 736 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable()
 @DomName('PeriodicWave')
 @Experimental() // untriaged
-class PeriodicWave extends NativeFieldWrapperClass2 {
+class PeriodicWave extends DartHtmlDomObject {
   // To suppress missing implicit constructor warnings.
   factory PeriodicWave._() { throw new UnsupportedError("Not supported"); }
 
   static PeriodicWave internalCreatePeriodicWave() {
     return new PeriodicWave._internalWrap();
   }
 
-  js.JsObject blink_jsObject;
-
   factory PeriodicWave._internalWrap() {
     return new PeriodicWave.internal_();
   }
 
   PeriodicWave.internal_() { }
 
   bool operator ==(other) => unwrap_jso(other) == unwrap_jso(this) || identical(this, other);
   int get hashCode => unwrap_jso(this).hashCode;
 
 }
@@ skipping 95 matching lines @@
   
   @DomName('WaveShaperNode.oversample')
   @DocsEditable()
   String get oversample => _blink.BlinkWaveShaperNode.instance.oversample_Getter_(unwrap_jso(this));
   
   @DomName('WaveShaperNode.oversample')
   @DocsEditable()
   set oversample(String value) => _blink.BlinkWaveShaperNode.instance.oversample_Setter_(unwrap_jso(this), value);
   
 }