Delete document marker related invalidation code.

sky/engine/core/rendering/HitTestResult.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 81 matching lines @@
 
     const HitTestLocation& hitTestLocation() const { return m_hitTestLocation; }
 
     void setInnerNode(Node*);
     void setInnerNonSharedNode(Node*);
     void setURLElement(Element*);
     void setScrollbar(Scrollbar*);
     void setIsOverWidget(bool b) { m_isOverWidget = b; }
 
     bool isSelected() const;
-    String spellingToolTip(TextDirection&) const;
     String title(TextDirection&) const;
     const AtomicString& altDisplayString() const;
     Image* image() const;
     IntRect imageRect() const;
     KURL absoluteImageURL() const;
     // This variant of absoluteImageURL will also convert <canvas> elements
     // to huge image data URLs (very expensive).
     KURL absoluteImageURLIncludingCanvasDataURL() const;
     KURL absoluteLinkURL() const;
     String textContent() const;
@@ skipping 35 matching lines @@
     RefPtr<Element> m_innerURLElement;
     RefPtr<Scrollbar> m_scrollbar;
     bool m_isOverWidget; // Returns true if we are over a widget.
 
     mutable OwnPtr<NodeSet> m_rectBasedTestResult;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_RENDERING_HITTESTRESULT_H_