Update script to fetch new WebCore IDL

third_party/WebCore/dom/MouseEvent.idl

Index: third_party/WebCore/dom/MouseEvent.idl
diff --git a/third_party/WebCore/dom/MouseEvent.idl b/third_party/WebCore/dom/MouseEvent.idl
new file mode 100644
index 0000000000000000000000000000000000000000..48eff1e3ed1d0033a71612aaaae8b325e1abe645
--- /dev/null
+++ b/third_party/WebCore/dom/MouseEvent.idl
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2006, 2007 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 DOM Level 2:
+    interface MouseEvent : UIEvent {
+        readonly attribute long             screenX;
+        readonly attribute long             screenY;
+        readonly attribute long             clientX;
+        readonly attribute long             clientY;
+        readonly attribute [Conditional=POINTER_LOCK, V8EnabledAtRuntime] long webkitMovementX;
+        readonly attribute [Conditional=POINTER_LOCK, V8EnabledAtRuntime] long webkitMovementY;
+        readonly attribute boolean          ctrlKey;
+        readonly attribute boolean          shiftKey;
+        readonly attribute boolean          altKey;
+        readonly attribute boolean          metaKey;
+        readonly attribute unsigned short   button;
+        readonly attribute EventTarget      relatedTarget;
+        
+        [ObjCLegacyUnnamedParameters] void initMouseEvent(in [Optional=DefaultIsUndefined] DOMString type, 
+                                           in [Optional=DefaultIsUndefined] boolean canBubble, 
+                                           in [Optional=DefaultIsUndefined] boolean cancelable, 
+                                           in [Optional=DefaultIsUndefined] DOMWindow view, 
+                                           in [Optional=DefaultIsUndefined] long detail, 
+                                           in [Optional=DefaultIsUndefined] long screenX, 
+                                           in [Optional=DefaultIsUndefined] long screenY, 
+                                           in [Optional=DefaultIsUndefined] long clientX, 
+                                           in [Optional=DefaultIsUndefined] long clientY, 
+                                           in [Optional=DefaultIsUndefined] boolean ctrlKey, 
+                                           in [Optional=DefaultIsUndefined] boolean altKey, 
+                                           in [Optional=DefaultIsUndefined] boolean shiftKey, 
+                                           in [Optional=DefaultIsUndefined] boolean metaKey, 
+                                           in [Optional=DefaultIsUndefined] unsigned short button, 
+                                           in [Optional=DefaultIsUndefined] EventTarget relatedTarget);
+
+        // extensions
+        readonly attribute long             offsetX;
+        readonly attribute long             offsetY;
+        readonly attribute long             x;
+        readonly attribute long             y;
+        readonly attribute Node             fromElement;
+        readonly attribute Node             toElement;
+
+#if defined(LANGUAGE_JAVASCRIPT) && LANGUAGE_JAVASCRIPT
+        readonly attribute Clipboard        dataTransfer;
+#endif
+    };
+
+}