Roll WebKit IDL to multivm@858

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
index f318f79874993019208802a89b20226cf9f8e5ce..9f393b437c3d7c44c6192511896ba4e5a414097e 100644
--- a/third_party/WebCore/dom/MessagePort.idl
+++ b/third_party/WebCore/dom/MessagePort.idl
@@ -37,9 +37,9 @@ module events {
 // 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)
+        [Custom] void postMessage(in any message, in [Optional] Array messagePorts)
             raises(DOMException);
-        [Custom] void webkitPostMessage(in DOMString message, in [Optional] Array transfer)
+        [Custom] void webkitPostMessage(in any message, in [Optional] Array transfer)
             raises(DOMException);
         void start();
         void close();