Update script to fetch new WebCore IDL

third_party/WebCore/dom/MessagePort.idl

Index: third_party/WebCore/dom/MessagePort.idl
diff --git a/third_party/WebCore/dom/MessagePort.idl b/third_party/WebCore/dom/MessagePort.idl
new file mode 100644
index 0000000000000000000000000000000000000000..f318f79874993019208802a89b20226cf9f8e5ce
--- /dev/null
+++ b/third_party/WebCore/dom/MessagePort.idl
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All Rights Reserved.
+ * 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 [
+        JSCustomMarkFunction,
+        JSGenerateIsReachable=Impl,
+        ActiveDOMObject,
+        EventTarget,
+        JSNoStaticTables
+    ] MessagePort {
+// We need to have something as an ObjC binding, because MessagePort is used in MessageEvent, which already has one,
+// but we don't want to actually expose the API while it is in flux.
+#if defined(LANGUAGE_JAVASCRIPT) && LANGUAGE_JAVASCRIPT
+        [Custom] void postMessage(in DOMString message, in [Optional] Array messagePorts)
+            raises(DOMException);
+        [Custom] void webkitPostMessage(in DOMString message, in [Optional] Array transfer)
+            raises(DOMException);
+        void start();
+        void close();
+
+        // event handler attributes
+        attribute EventListener onmessage;
+
+        // 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);
+#endif
+    };
+
+}