Fix Notification

tools/dom/idl/dart/dart.idl

 // This file introduces / supplements and forces Dart declarations.
 
 [DartSupplemental,
  Constructor]
 interface AudioContext {
   // TODO(ager): Auto-generate this custom method when the info about retaining
   // typed arrays is in the IDL.
   [Custom] void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, AudioBufferCallback errorCallback);
 };
 
@@ skipping 392 matching lines @@
                                       [Default=Undefined] optional DOMString media);
 };
 
 [DartSupplemental]
 interface SVGSVGElement {
     [DartSuppress] attribute DOMString contentStyleType;
     [DartSuppress] attribute DOMString contentScriptType;
 };
 
 [DartSupplemental]
-interface WorkerGlobalScope {
-    [DartSuppress] readonly attribute NotificationCenter webkitNotifications;
-};
-
-[DartSupplemental]
 interface AudioBuffer {
     [DartSuppress] attribute float gain;
 };
 
 [DartSupplemental]
 interface WorkerCrypto {
     [DartSuppress] ArrayBufferView getRandomValues(ArrayBufferView array);
 };
 
 [DartSupplemental]
@@ skipping 32 matching lines @@
     //              is Uint8Array or sequence<unsigned long>.  For now suppress
     //              the new operation. Vijay suggestion, and I think this makes
     //              sense, change dart:html to have a send operation that takes
     //              a List<int> and have custom handler to call the correct
     //              method.  The dart:blink library needs to do something else
     //              postfix the name with send_sequence (?).
     [DartSuppress] void send(sequence<unsigned long> data, optional double timestamp);
 };
 
 Element implements GlobalEventHandlers;