Revert "Don't invalidate scrolling container layer when scrolling contents need invalidation"

Source/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 71 matching lines @@
 
     FrameView* frameView() const { return m_frameView; }
 
     enum ViewportConstrainedPosition {
         IsNotFixedPosition,
         IsFixedPosition,
     };
     void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, ViewportConstrainedPosition, const PaintInvalidationState*) const;
     virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const override;
 
-    void invalidatePaintForRectangle(const LayoutRect&, PaintInvalidationReason, const RenderObject& forRenderer) const;
+    void invalidatePaintForRectangle(const LayoutRect&, PaintInvalidationReason) const;
 
     void invalidatePaintForViewAndCompositedLayers();
 
     virtual void paint(PaintInfo&, const LayoutPoint&) override;
     virtual void paintBoxDecorationBackground(PaintInfo&, const LayoutPoint&) override;
 
     enum SelectionPaintInvalidationMode { PaintInvalidationNewXOROld, PaintInvalidationNewMinusOld };
     void setSelection(RenderObject* start, int startPos, RenderObject*, int endPos, SelectionPaintInvalidationMode = PaintInvalidationNewXOROld);
     void clearSelection();
     RenderObject* selectionStart() const { return m_selectionStart; }
@@ skipping 133 matching lines @@
             m_paintInvalidationState->m_cachedOffsetsEnabled = true;
     }
 private:
     const PaintInvalidationState* m_paintInvalidationState;
     bool m_didDisable;
 };
 
 } // namespace blink
 
 #endif // RenderView_h