Remove nop ScriptWrappable::init calls

sky/engine/core/frame/History.cpp

 /*
  * Copyright (C) 2007 Apple 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
@@ skipping 22 matching lines @@
 #include "core/page/Page.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/MainThread.h"
 
 namespace blink {
 
 History::History(LocalFrame* frame)
     : DOMWindowProperty(frame)
     , m_lastStateObjectRequested(nullptr)
 {
-    ScriptWrappable::init(this);
 }
 
 unsigned History::length() const
 {
     // FIXME(sky): remove
     return 0;
 }
 
 SerializedScriptValue* History::state()
 {
@@ skipping 41 matching lines @@
         return document->url();
     return KURL(document->url(), urlString);
 }
 
 void History::stateObjectAdded(PassRefPtr<SerializedScriptValue> data, const String& /* title */, const String& urlString, FrameLoadType type, ExceptionState& exceptionState)
 {
     // FIXME(sky): re-implement.
 }
 
 } // namespace blink