Don't hide onAudioProcess

TBR=vsm@google.com

Review URL: https://codereview.chromium.org//900923002

git-svn-id: http://dart.googlecode.com/svn/third_party/WebCore@43472 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/modules/webaudio/ScriptProcessorNode.idl b/modules/webaudio/ScriptProcessorNode.idl
index 55c3d7f..666d273 100644
--- a/modules/webaudio/ScriptProcessorNode.idl
+++ b/modules/webaudio/ScriptProcessorNode.idl
@@ -27,7 +27,7 @@
     Conditional=WEB_AUDIO
 ] interface ScriptProcessorNode : AudioNode {
     // Rendering callback
-    [DartSuppress] attribute EventHandler onaudioprocess;
+    attribute EventHandler onaudioprocess;
 
     readonly attribute long bufferSize;