Update WebKit IDLs after chrome roll.

workers/Worker.idl

 /*
  * Copyright (C) 2008, 2010 Apple Inc. All Rights Reserved.
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  *
  */
 
 [
     Conditional=WORKERS,
-    JSCustomConstructor,
     Constructor(in DOMString scriptUrl),
     CallWith=ScriptExecutionContext,
-    ConstructorRaisesException,
-    JSGenerateToNativeObject,
-    JSGenerateToJSObject
+    ConstructorRaisesException
 ] interface Worker : AbstractWorker {
 
     attribute EventListener onmessage;
 
 #if defined(LANGUAGE_JAVASCRIPT) && LANGUAGE_JAVASCRIPT
     [Custom] void postMessage(in SerializedScriptValue message, in [Optional] Array messagePorts)
         raises(DOMException);
 #else
     // There's no good way to expose an array via the ObjC bindings, so for now just allow passing in a single port.
     void postMessage(in SerializedScriptValue message, in [Optional] MessagePort messagePort)
         raises(DOMException);
 #endif
 
     void terminate();
 };