Remove window.history

sky/engine/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 417 matching lines @@
     HTMLCanvasElement& getCSSCanvasElement(const String& name);
 
     void finishedParsing();
 
     const WTF::TextEncoding& encoding() const { return WTF::UTF8Encoding(); }
 
     virtual void removeAllEventListeners() override final;
 
     bool allowExecutingScripts(Node*);
 
-    void statePopped(PassRefPtr<SerializedScriptValue>);
-
     enum LoadEventProgress {
         LoadEventNotRun,
         LoadEventTried,
         LoadEventInProgress,
         LoadEventCompleted,
         PageHideInProgress,
         UnloadEventInProgress,
         UnloadEventHandled
     };
     bool loadEventStillNeeded() const { return m_loadEventProgress == LoadEventNotRun; }
@@ skipping 319 matching lines @@
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLiveDocumentInstances();
 #endif
 
 #endif  // SKY_ENGINE_CORE_DOM_DOCUMENT_H_