Roll IDLs forward.

third_party/WebCore/xml/XMLHttpRequest.idl

 /*
  * Copyright (C) 2008, 2011 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
@@ skipping 25 matching lines @@
     JSNoStaticTables
 ] interface XMLHttpRequest {
     // From XMLHttpRequestEventTarget
     // event handler attributes
     attribute EventListener onabort;
     attribute EventListener onerror;
     attribute EventListener onload;
     attribute EventListener onloadend;
     attribute EventListener onloadstart;
     attribute EventListener onprogress;
+    [Conditional=XHR_TIMEOUT] attribute EventListener ontimeout;
 
     // event handler attributes
     attribute EventListener onreadystatechange;
 
     // state
     const unsigned short UNSENT = 0;
     const unsigned short OPENED = 1;
     const unsigned short HEADERS_RECEIVED = 2;
     const unsigned short LOADING = 3;
     const unsigned short DONE = 4;
 
+    [Conditional=XHR_TIMEOUT] attribute unsigned long timeout
+        setter raises(DOMException);
     readonly attribute unsigned short readyState;
 
     attribute boolean withCredentials
         setter raises(DOMException);
 
     [Custom] void open(in DOMString method, in DOMString url, in [Optional] boolean async, in [Optional] DOMString user, in [Optional] DOMString password)
         raises(DOMException);
 
     void setRequestHeader(in DOMString header, in DOMString value)
         raises(DOMException);
@@ skipping 43 matching lines @@
     // EventTarget interface
     void addEventListener(in DOMString type, 
                           in EventListener listener, 
                           in [Optional] boolean useCapture);
     void removeEventListener(in DOMString type, 
                              in EventListener listener, 
                              in [Optional] boolean useCapture);
     boolean dispatchEvent(in Event evt)
         raises(EventException);
 };
-