Remove FrameView::DeferredRepaintScope

Source/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 326 matching lines @@
 
     // DEPRECATED: Use viewportConstrainedVisibleContentRect() instead.
     IntSize scrollOffsetForFixedPosition() const;
 
     PartialLayoutState& partialLayout() { return m_partialLayout; }
 
     // Override scrollbar notifications to update the AXObject cache.
     virtual void didAddScrollbar(Scrollbar*, ScrollbarOrientation) OVERRIDE;
     virtual void willRemoveScrollbar(Scrollbar*, ScrollbarOrientation) OVERRIDE;
 
-    class DeferredRepaintScope {
-    public:
-        DeferredRepaintScope(FrameView&);
-        ~DeferredRepaintScope();
-    private:
-        RefPtr<FrameView> m_view;
-    };
-
 protected:
     virtual bool scrollContentsFastPath(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect) OVERRIDE;
     virtual void scrollContentsSlowPath(const IntRect& updateRect) OVERRIDE;
 
     virtual bool isVerticalDocument() const OVERRIDE;
     virtual bool isFlippedDocument() const OVERRIDE;
 
 private:
     explicit FrameView(Frame*);
 
@@ skipping 140 matching lines @@
     bool m_horizontalOverflow;
     bool m_verticalOverflow;
     RenderObject* m_viewportRenderer;
 
     Pagination m_pagination;
 
     bool m_wasScrolledByUser;
     bool m_inProgrammaticScroll;
     bool m_safeToPropagateScrollToParent;
 
-    unsigned m_deferringRepaints;
     unsigned m_repaintCount;
     Vector<LayoutRect> m_repaintRects;
     Timer<FrameView> m_deferredRepaintTimer;
     double m_deferredRepaintDelay;
     double m_lastPaintTime;
 
     bool m_isTrackingRepaints; // Used for testing.
     Vector<IntRect> m_trackedRepaintRects;
 
     bool m_shouldUpdateWhileOffscreen;
@@ skipping 63 matching lines @@
     static const unsigned visualPixelThreshold = 32 * 32;
     if (m_visuallyNonEmptyPixelCount > visualPixelThreshold)
         setIsVisuallyNonEmpty();
 }
 
 DEFINE_TYPE_CASTS(FrameView, Widget, widget, widget->isFrameView(), widget.isFrameView());
 
 } // namespace WebCore
 
 #endif // FrameView_h