Delete paint invalidation rect tracking.

sky/engine/core/frame/FrameView.h

 /*
    Copyright (C) 1997 Martin Jones (mjones@kde.org)
              (C) 1998 Waldo Bastian (bastian@kde.org)
              (C) 1998, 1999 Torben Weis (weis@kde.org)
              (C) 1999 Lars Knoll (knoll@kde.org)
              (C) 1999 Antti Koivisto (koivisto@kde.org)
    Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
@@ skipping 146 matching lines @@
     IntPoint convertFromRenderer(const RenderObject&, const IntPoint&) const;
     IntPoint convertToRenderer(const RenderObject&, const IntPoint&) const;
 
     bool shouldSetCursor() const;
 
     void setCursor(const Cursor&);
 
     // FIXME: Remove this method once plugin loading is decoupled from layout.
     void flushAnyPendingPostLayoutTasks();
 
-    void setTracksPaintInvalidations(bool);
-    bool isTrackingPaintInvalidations() const { return m_isTrackingPaintInvalidations; }
-    void resetTrackedPaintInvalidations();
-
-    String trackedPaintInvalidationRectsAsText() const;
-
     typedef HashSet<ScrollableArea*> ScrollableAreaSet;
     void addScrollableArea(ScrollableArea*);
     void removeScrollableArea(ScrollableArea*);
     const ScrollableAreaSet* scrollableAreas() const { return m_scrollableAreas.get(); }
 
     // This function exists for ports that need to handle wheel events manually.
     // On Mac WebKit1 the underlying NSScrollView just does the scrolling, but on most other platforms
     // we need this function in order to do the scroll ourselves.
     bool wheelEvent(const PlatformWheelEvent&);
 
@@ skipping 88 matching lines @@
 
     AtomicString m_mediaType;
 
     bool m_overflowStatusDirty;
     bool m_horizontalOverflow;
     bool m_verticalOverflow;
     RenderObject* m_viewportRenderer;
 
     double m_lastPaintTime;
 
-    bool m_isTrackingPaintInvalidations; // Used for testing.
-    Vector<IntRect> m_trackedPaintInvalidationRects;
-
     RefPtr<Node> m_nodeToDraw;
     bool m_isPainting;
 
     OwnPtr<ScrollableAreaSet> m_scrollableAreas;
 
     bool m_hasSoftwareFilters;
 
     float m_visibleContentScaleFactor;
     IntSize m_inputEventsOffsetForEmulation;
     float m_inputEventsScaleFactorForEmulation;
@@ skipping 26 matching lines @@
         m_view->setCanInvalidatePaintDuringPerformLayout(m_originalValue);
     }
 private:
     FrameView* m_view;
     bool m_originalValue;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_FRAME_FRAMEVIEW_H_