Turn on webaudio for JS backends.

client/dom/generated/src/wrapping/_LowPass2FilterNodeWrappingImplementation.dart

Index: client/dom/generated/src/wrapping/_LowPass2FilterNodeWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_LowPass2FilterNodeWrappingImplementation.dart b/client/dom/generated/src/wrapping/_LowPass2FilterNodeWrappingImplementation.dart
new file mode 100644
index 0000000000000000000000000000000000000000..4f68165c0dcb0268ad763d81bf83d2d8b4c0fd7e
--- /dev/null
+++ b/client/dom/generated/src/wrapping/_LowPass2FilterNodeWrappingImplementation.dart
@@ -0,0 +1,21 @@
+// 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 _LowPass2FilterNodeWrappingImplementation extends _AudioNodeWrappingImplementation implements LowPass2FilterNode {
+  _LowPass2FilterNodeWrappingImplementation() : super() {}
+
+  static create__LowPass2FilterNodeWrappingImplementation() native {
+    return new _LowPass2FilterNodeWrappingImplementation();
+  }
+
+  AudioParam get cutoff() { return _get_cutoff(this); }
+  static AudioParam _get_cutoff(var _this) native;
+
+  AudioParam get resonance() { return _get_resonance(this); }
+  static AudioParam _get_resonance(var _this) native;
+
+  String get typeName() { return "LowPass2FilterNode"; }
+}