Revert the merge. Mac build is mysteriously broken.

third_party/WebKit/WebCore/dom/EventTarget.idl

Index: third_party/WebKit/WebCore/dom/EventTarget.idl
===================================================================
--- third_party/WebKit/WebCore/dom/EventTarget.idl	(revision 9383)
+++ third_party/WebKit/WebCore/dom/EventTarget.idl	(working copy)
@@ -26,13 +26,13 @@
         PureInterface,
         InterfaceUUID=1D71C7EC-0BA0-4044-BDFD-56B3E8F5F9D4
     ] EventTarget {
-        [OldStyleObjC] void addEventListener(in DOMString type, 
+        [OldStyleObjC, EventTargetNodeCast] void addEventListener(in DOMString type, 
                                              in EventListener listener, 
                                              in boolean useCapture);
-        [OldStyleObjC] void removeEventListener(in DOMString type, 
+        [OldStyleObjC, EventTargetNodeCast] void removeEventListener(in DOMString type, 
                                                 in EventListener listener, 
                                                 in boolean useCapture);
-        boolean dispatchEvent(in Event event)
+        [EventTargetNodeCast] boolean dispatchEvent(in Event event)
             raises(EventException);
     };