Move AbsoluteClipRects to the state machine

Source/core/paint/DeprecatedPaintLayerClipper.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. 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>
@@ skipping 131 matching lines @@
     // This method figures out our layerBounds in coordinates relative to
     // |rootLayer|. It also computes our background and foreground clip rects
     // for painting/event handling.
     // Pass offsetFromRoot if known.
     void calculateRects(const ClipRectsContext&, const LayoutRect& paintDirtyRect, LayoutRect& layerBounds,
         ClipRect& backgroundRect, ClipRect& foregroundRect, ClipRect& outlineRect, const LayoutPoint* offsetFromRoot = 0) const;
     void calculateClipRects(const ClipRectsContext&, ClipRectComputationState&) const;
 
     DeprecatedPaintLayer* clippingRootForPainting() const;
 
+    void precalculateAbsoluteClipRects();
+
 private:
     void setClipRect(const ClipRectsContext&, const ClipRectComputationState&) const;
     void addClipsFromThisObject(const ClipRectsContext&, ClipRects&) const;
     void updateClipRectBasedOnPosition(ClipRects*) const;
 
     ClipRect uncachedBackgroundClipRect(const ClipRectsContext&) const;
     void uncachedCalculateClipRects(const ClipRectsContext&, ClipRects&) const;
 
     bool shouldRespectOverflowClip(const ClipRectsContext&) const;
 
     // FIXME: Could this be a LayoutBox?
     LayoutBoxModelObject& m_layoutObject;
     mutable OwnPtr<ClipRect> m_clips[NumberOfClipRectsCacheSlots];
 };
 
 } // namespace blink
 
 #endif // LayerClipper_h