Updating metadata after Chrome rolls.

sdk/lib/web_audio/dart2js/web_audio_dart2js.dart

 library dart.dom.web_audio;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:_collection-dev';
 import 'dart:html';
 import 'dart:html_common';
 import 'dart:typed_data';
 import 'dart:_js_helper' show Creates, JSName, Returns, convertDartClosureToJS;
 import 'dart:_foreign_helper' show JS;
@@ skipping 1032 matching lines @@
 // https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#dfn-WaveShaperNode
 @Experimental
 class WaveShaperNode extends AudioNode native "WaveShaperNode" {
 
   @DomName('WaveShaperNode.curve')
   @DocsEditable
   Float32List curve;
 
   @DomName('WaveShaperNode.oversample')
   @DocsEditable
-  @Experimental // untriaged
   String oversample;
 }
 // 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.
 
 
 @DocsEditable
 @DomName('WaveTable')
 // https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#WaveTable-section
 @Experimental
 class WaveTable native "WaveTable" {
 }