Turn on webaudio for JS backends.

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

Index: client/dom/generated/src/wrapping/_BiquadFilterNodeWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_BiquadFilterNodeWrappingImplementation.dart b/client/dom/generated/src/wrapping/_BiquadFilterNodeWrappingImplementation.dart
new file mode 100644
index 0000000000000000000000000000000000000000..e843300448d25a6291e9e7cebdfa2ae231125726
--- /dev/null
+++ b/client/dom/generated/src/wrapping/_BiquadFilterNodeWrappingImplementation.dart
@@ -0,0 +1,30 @@
+// 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 _BiquadFilterNodeWrappingImplementation extends _AudioNodeWrappingImplementation implements BiquadFilterNode {
+  _BiquadFilterNodeWrappingImplementation() : super() {}
+
+  static create__BiquadFilterNodeWrappingImplementation() native {
+    return new _BiquadFilterNodeWrappingImplementation();
+  }
+
+  AudioParam get Q() { return _get_Q(this); }
+  static AudioParam _get_Q(var _this) native;
+
+  AudioParam get frequency() { return _get_frequency(this); }
+  static AudioParam _get_frequency(var _this) native;
+
+  AudioParam get gain() { return _get_gain(this); }
+  static AudioParam _get_gain(var _this) native;
+
+  int get type() { return _get_type(this); }
+  static int _get_type(var _this) native;
+
+  void set type(int value) { _set_type(this, value); }
+  static void _set_type(var _this, int value) native;
+
+  String get typeName() { return "BiquadFilterNode"; }
+}