Remove deferred repaint code from FrameView

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 168 matching lines @@
     bool hasSlowRepaintObjects() const { return m_slowRepaintObjectCount; }
 
     // Includes fixed- and sticky-position objects.
     typedef HashSet<RenderObject*> ViewportConstrainedObjectSet;
     void addViewportConstrainedObject(RenderObject*);
     void removeViewportConstrainedObject(RenderObject*);
     const ViewportConstrainedObjectSet* viewportConstrainedObjects() const { return m_viewportConstrainedObjects.get(); }
     bool hasViewportConstrainedObjects() const { return m_viewportConstrainedObjects && m_viewportConstrainedObjects->size() > 0; }
 
     void handleLoadCompleted();
-    void resetDeferredRepaintDelay();
 
     void updateAnnotatedRegions();
     void updateControlTints();
 
     void restoreScrollbar();
 
     void postLayoutTimerFired(Timer<FrameView>*);
 
     bool wasScrolledByUser() const;
     void setWasScrolledByUser(bool);
@@ skipping 122 matching lines @@
 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*);
 
-    void flushDeferredRepaints();
-    void startDeferredRepaintTimer(double delay);
-
     void reset();
     void init();
 
     virtual void frameRectsChanged() OVERRIDE;
     virtual bool isFrameView() const OVERRIDE { return true; }
 
     friend class RenderWidget;
     bool useSlowRepaints(bool considerOverlap = true) const;
     bool useSlowRepaintsIfNotOverlapped() const;
     void updateCanBlitOnScrollRecursively();
@@ skipping 41 matching lines @@
     virtual GraphicsLayer* layerForHorizontalScrollbar() const OVERRIDE;
     virtual GraphicsLayer* layerForVerticalScrollbar() const OVERRIDE;
     virtual GraphicsLayer* layerForScrollCorner() const OVERRIDE;
 
     void sendResizeEventIfNeeded();
 
     void updateScrollableAreaSet();
 
     virtual void notifyPageThatContentAreaWillPaint() const OVERRIDE;
 
-    bool shouldUseLoadTimeDeferredRepaintDelay() const;
-    void deferredRepaintTimerFired(Timer<FrameView>*);
-    void doDeferredRepaints();
-    void updateDeferredRepaintDelayAfterRepaint();
-    double adjustedDeferredRepaintDelay() const;
-
     void updateWidgetsTimerFired(Timer<FrameView>*);
     bool updateWidgets();
 
     void scrollToAnchor();
     void scrollPositionChanged();
 
     bool hasCustomScrollbars() const;
     bool shouldUseCustomScrollbars(Element*& customScrollbarElement, Frame*& customScrollbarFrame);
 
     virtual void updateScrollCorner() OVERRIDE;
@@ skipping 55 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_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;
 
     RefPtr<Node> m_nodeToDraw;
     PaintBehavior m_paintBehavior;
     bool m_isPainting;
 
     unsigned m_visuallyNonEmptyCharacterCount;
@@ skipping 52 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