Roll IDLs forward.

third_party/WebCore/workers/WorkerContext.idl

 /*
  * Copyright (C) 2008 Apple 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
@@ skipping 21 matching lines @@
     ExtendsDOMGlobalObject,
     IsWorkerContext,
     JSLegacyParent=JSWorkerContextBase,
     JSNoStaticTables,
     OmitConstructor,
     V8CustomToJSObject
 ] interface WorkerContext {
 
     // WorkerGlobalScope
 #if defined(LANGUAGE_JAVASCRIPT) && LANGUAGE_JAVASCRIPT
-             attribute [Replaceable] WorkerContext self;
+             [Replaceable] readonly attribute  WorkerContext self;
 #endif
-             attribute [Replaceable] WorkerLocation location;
+             [Replaceable] readonly attribute WorkerLocation location;
     void close();
              attribute EventListener onerror;
 
     // WorkerUtils
     [Custom] void importScripts(/*[Variadic] in DOMString urls */);
-             [Replaceable] attribute WorkerNavigator navigator;
+             [Replaceable] readonly attribute WorkerNavigator navigator;
 
     // Timers
     [Custom] long setTimeout(in TimeoutHandler handler, in long timeout);
     // [Custom] long setTimeout(in DOMString code, in long timeout);
     void clearTimeout(in [Optional=DefaultIsUndefined] long handle);
     [Custom] long setInterval(in TimeoutHandler handler, in long timeout);
     // [Custom] long setInterval(in DOMString code, in long timeout);
     void clearInterval(in [Optional=DefaultIsUndefined] long handle);
 
 
@@ skipping 34 matching lines @@
     attribute Uint8ArrayConstructor Uint8ClampedArray; // Usable with new operator
     attribute Int16ArrayConstructor Int16Array; // Usable with new operator
     attribute Uint16ArrayConstructor Uint16Array; // Usable with new operator
     attribute Int32ArrayConstructor Int32Array; // Usable with new operator
     attribute Uint32ArrayConstructor Uint32Array; // Usable with new operator
     attribute Float32ArrayConstructor Float32Array; // Usable with new operator
     attribute Float64ArrayConstructor Float64Array; // Usable with new operator
     attribute DataViewConstructor DataView; // Usable with new operator
 };