Delete an assortment of unneeded paint invalidation code.

sky/engine/core/rendering/RenderView.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * 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 57 matching lines @@
     {
         return viewWidth(ExcludeScrollbars);
     }
     int viewLogicalHeight() const;
     LayoutUnit viewLogicalHeightForPercentages() const;
 
     FrameView* frameView() const { return m_frameView; }
 
     virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const override;
 
-    void invalidatePaintForRectangle(const LayoutRect&) const;
-
     virtual void paint(PaintInfo&, const LayoutPoint&) override;
     virtual void paintBoxDecorationBackground(PaintInfo&, const LayoutPoint&) override;
 
     enum SelectionPaintInvalidationMode { PaintInvalidationNewXOROld, PaintInvalidationNewMinusOld, PaintInvalidationNothing };
     void setSelection(RenderObject* start, int startPos, RenderObject*, int endPos, SelectionPaintInvalidationMode = PaintInvalidationNewXOROld);
     void getSelection(RenderObject*& startRenderer, int& startOffset, RenderObject*& endRenderer, int& endOffset) const;
     void clearSelection();
     RenderObject* selectionStart() const { return m_selectionStart; }
     RenderObject* selectionEnd() const { return m_selectionEnd; }
     IntRect selectionBounds(bool clipToVisibleContent = true) const;
@@ skipping 19 matching lines @@
     // Renderer that paints the root background has background-images which all have background-attachment: fixed.
     bool rootBackgroundIsEntirelyFixed() const;
 
     virtual bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect) const override;
 
     double layoutViewportWidth() const;
     double layoutViewportHeight() const;
 
     void pushLayoutState(LayoutState&);
     void popLayoutState();
-    virtual void invalidateTreeIfNeeded(const PaintInvalidationState&) override final;
 
     void addIFrame(RenderIFrame* iframe);
     void removeIFrame(RenderIFrame* iframe);
     void updateIFramesAfterLayout();
 
 private:
     virtual void mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, const PaintInvalidationState* = 0) const override;
     virtual const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const override;
     virtual void mapAbsoluteToLocalPoint(MapCoordinatesFlags, TransformState&) const override;
 
@@ skipping 52 matching lines @@
             m_paintInvalidationState->m_cachedOffsetsEnabled = true;
     }
 private:
     const PaintInvalidationState* m_paintInvalidationState;
     bool m_didDisable;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDERVIEW_H_