First part of work to move V8 binding integrity off of vtables.

Source/WebCore/dom/AutocompleteErrorEvent.h

Index: Source/WebCore/dom/AutocompleteErrorEvent.h
diff --git a/Source/WebCore/dom/AutocompleteErrorEvent.h b/Source/WebCore/dom/AutocompleteErrorEvent.h
index 7c6b8a5f86b1ef566e4f74bd4cab586331925bf4..ea843df3d995b5ea17bf3254aac23dd8ebda4c9e 100644
--- a/Source/WebCore/dom/AutocompleteErrorEvent.h
+++ b/Source/WebCore/dom/AutocompleteErrorEvent.h
@@ -60,18 +60,21 @@ public:
 private:
     AutocompleteErrorEvent()
     {
+        ScriptWrappable::init(this);
     }
 
     AutocompleteErrorEvent(const String& reason)
         : Event(eventNames().autocompleteerrorEvent, false, false)
         , m_reason(reason)
     {
+        ScriptWrappable::init(this);
     }
 
     AutocompleteErrorEvent(const AtomicString& eventType, const AutocompleteErrorEventInit& initializer)
         : Event(eventType, initializer)
         , m_reason(initializer.reason)
     {
+        ScriptWrappable::init(this);
     }
 
     String m_reason;