Update script to fetch new WebCore IDL

third_party/WebCore/dom/MessageEvent.idl

Index: third_party/WebCore/dom/MessageEvent.idl
diff --git a/third_party/WebCore/dom/MessageEvent.idl b/third_party/WebCore/dom/MessageEvent.idl
new file mode 100644
index 0000000000000000000000000000000000000000..c8356ed60c112b35cff300eb3a40f252efcaacf8
--- /dev/null
+++ b/third_party/WebCore/dom/MessageEvent.idl
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2007 Henry Mason <hmason@mac.com>
+ * 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. 
+ *
+ */
+
+module events {
+
+    interface [
+        JSNoStaticTables,
+        ConstructorTemplate=Event
+    ] MessageEvent : Event {
+        readonly attribute [InitializedByEventConstructor] DOMString origin;
+        readonly attribute [InitializedByEventConstructor] DOMString lastEventId;
+        readonly attribute [InitializedByEventConstructor] DOMWindow source;
+#if defined(LANGUAGE_JAVASCRIPT) && LANGUAGE_JAVASCRIPT
+        readonly attribute [InitializedByEventConstructor, CachedAttribute, CustomGetter] DOMObject data;
+        readonly attribute [InitializedByEventConstructor, CustomGetter] Array ports;
+
+        [Custom] void initMessageEvent(in [Optional=DefaultIsUndefined] DOMString typeArg, 
+                                       in [Optional=DefaultIsUndefined] boolean canBubbleArg, 
+                                       in [Optional=DefaultIsUndefined] boolean cancelableArg, 
+                                       in [Optional=DefaultIsUndefined] DOMObject dataArg, 
+                                       in [Optional=DefaultIsUndefined] DOMString originArg, 
+                                       in [Optional=DefaultIsUndefined] DOMString lastEventIdArg, 
+                                       in [Optional=DefaultIsUndefined] DOMWindow sourceArg, 
+                                       in [Optional=DefaultIsUndefined] Array messagePorts);
+
+        [Custom] void webkitInitMessageEvent(in [Optional=DefaultIsUndefined] DOMString typeArg,
+                                             in [Optional=DefaultIsUndefined] boolean canBubbleArg,
+                                             in [Optional=DefaultIsUndefined] boolean cancelableArg,
+                                             in [Optional=DefaultIsUndefined] DOMObject dataArg,
+                                             in [Optional=DefaultIsUndefined] DOMString originArg,
+                                             in [Optional=DefaultIsUndefined] DOMString lastEventIdArg,
+                                             in [Optional=DefaultIsUndefined] DOMWindow sourceArg,
+                                             in [Optional=DefaultIsUndefined] Array transferables);
+#else
+        // Code generator for ObjC bindings does not support custom bindings, thus there is no good way to
+        // return a variant value. As workaround, expose the data attribute as SerializedScriptValue.
+        readonly attribute SerializedScriptValue data;
+
+        // There's no good way to expose an array via the ObjC bindings, so for now just expose a single port.
+        readonly attribute MessagePort messagePort;
+
+        void initMessageEvent(in [Optional=DefaultIsUndefined] DOMString typeArg, 
+                              in [Optional=DefaultIsUndefined] boolean canBubbleArg, 
+                              in [Optional=DefaultIsUndefined] boolean cancelableArg, 
+                              in [Optional=DefaultIsUndefined] SerializedScriptValue dataArg, 
+                              in [Optional=DefaultIsUndefined] DOMString originArg, 
+                              in [Optional=DefaultIsUndefined] DOMString lastEventIdArg, 
+                              in [Optional=DefaultIsUndefined] DOMWindow sourceArg, 
+                              in [Optional=DefaultIsUndefined] MessagePort messagePort);
+#endif
+
+    };
+
+}