Update script to fetch new WebCore IDL

third_party/WebCore/dom/HashChangeEvent.idl

Index: third_party/WebCore/dom/HashChangeEvent.idl
diff --git a/third_party/WebCore/dom/HashChangeEvent.idl b/third_party/WebCore/dom/HashChangeEvent.idl
new file mode 100644
index 0000000000000000000000000000000000000000..6c80a957f6a9c1718f3ef8b22431c400bdca2463
--- /dev/null
+++ b/third_party/WebCore/dom/HashChangeEvent.idl
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2010 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+module events {
+
+    // Introduced in http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#event-hashchange
+    interface [
+        ConstructorTemplate=Event
+    ] HashChangeEvent : Event {
+        void initHashChangeEvent(in [Optional=DefaultIsUndefined] DOMString type, 
+                                 in [Optional=DefaultIsUndefined] boolean canBubble, 
+                                 in [Optional=DefaultIsUndefined] boolean cancelable, 
+                                 in [Optional=DefaultIsUndefined] DOMString oldURL, 
+                                 in [Optional=DefaultIsUndefined] DOMString newURL); 
+        readonly attribute [InitializedByEventConstructor] DOMString oldURL;
+        readonly attribute [InitializedByEventConstructor] DOMString newURL;
+    };
+
+}