Turn on webaudio for JS backends.

client/dom/generated/src/wrapping/_DelayNodeWrappingImplementation.dart

Index: client/dom/generated/src/wrapping/_DelayNodeWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_DelayNodeWrappingImplementation.dart b/client/dom/generated/src/wrapping/_DelayNodeWrappingImplementation.dart
new file mode 100644
index 0000000000000000000000000000000000000000..76e71ac5888e0b7a61ad6f108fac001a38a6134f
--- /dev/null
+++ b/client/dom/generated/src/wrapping/_DelayNodeWrappingImplementation.dart
@@ -0,0 +1,18 @@
+// Copyright (c) 2011, 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.
+
+class _DelayNodeWrappingImplementation extends _AudioNodeWrappingImplementation implements DelayNode {
+  _DelayNodeWrappingImplementation() : super() {}
+
+  static create__DelayNodeWrappingImplementation() native {
+    return new _DelayNodeWrappingImplementation();
+  }
+
+  AudioParam get delayTime() { return _get_delayTime(this); }
+  static AudioParam _get_delayTime(var _this) native;
+
+  String get typeName() { return "DelayNode"; }
+}