Update code generator for dartium dart:html with typeddata.

tools/dom/idl/dart/dart.idl

 // This file introduces / supplements and forces Dart declarations.
 
 [Supplemental,
  Constructor]
-interface AudioContext {};
+interface AudioContext {
+  [Custom] void decodeAudioData(in ArrayBuffer audioData, in AudioBufferCallback successCallback, in AudioBufferCallback errorCallback)

[Anton Muhin, 2013/04/18 16:13:40]

please, TODO that those custom methods should be autogenerated.

+      raises(DOMException);
+};
+
+[ Supplemental ]

[Anton Muhin, 2013/04/18 16:13:40]

nit: no spaces around Supplemental.

+interface WaveShaperNode {
+  [CustomSetter] attribute Float32Array curve;
+};
+
+[ Supplemental ]
+interface AudioParam {
+  [Custom] void setValueCurveAtTime(in Float32Array values, in float time, in float duration);
+};
 
 [Supplemental]
 interface Document {
   [Suppressed] DOMObject getCSSCanvasContext(in DOMString contextId, in DOMString name, in long width, in long height);
   CanvasRenderingContext getCSSCanvasContext(in DOMString contextId, in DOMString name, in long width, in long height);
 };
 
 [Supplemental]
 interface ScriptProcessorNode {
   [Suppressed] attribute EventListener onaudioprocess;
@@ skipping 357 matching lines @@
 [Suppressed]
 interface ScriptProfile {};
 
 
 [Suppressed]
 interface ScriptProfileNode {};
 
 
 [Suppressed]
 interface Entity {};