Reland "Unifies ScrollView and RenderLayer to use non-shi..."

Source/core/rendering/RenderLayer.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 1003 matching lines @@
     virtual IntSize contentsSize() const;
     virtual IntSize overhangAmount() const;
     virtual IntPoint lastKnownMousePosition() const;
     virtual bool shouldSuspendScrollAnimations() const;
     virtual bool scrollbarsCanBeActive() const;
     virtual IntRect scrollableAreaBoundingBox() const OVERRIDE;
 
     // Rectangle encompassing the scroll corner and resizer rect.
     IntRect scrollCornerAndResizerRect() const;
 
-    // NOTE: This should only be called by the overriden setScrollOffset from ScrollableArea.
-    void scrollTo(int, int);
     void updateCompositingLayersAfterScroll();
 
     IntSize scrollbarOffset(const Scrollbar*) const;
     
     void updateResizerAreaSet();
     void updateScrollableAreaSet(bool hasOverflow);
 
     void dirtyAncestorChainVisibleDescendantStatus();
     void setAncestorChainHasVisibleDescendant();
 
@@ skipping 281 matching lines @@
 
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLayerTree(const WebCore::RenderLayer*);
 void showLayerTree(const WebCore::RenderObject*);
 #endif
 
 #endif // RenderLayer_h