Move rendering/RenderObject to layout/LayoutObject.

Source/core/layout/LayerPaintingInfo.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 56 matching lines @@
     PaintLayerPaintingSkipRootBackground = 1 << 11,
     PaintLayerPaintingChildClippingMaskPhase = 1 << 12,
     PaintLayerPaintingCompositingAllPhases = (PaintLayerPaintingCompositingBackgroundPhase | PaintLayerPaintingCompositingForegroundPhase | PaintLayerPaintingCompositingMaskPhase)
 };
 
 typedef unsigned PaintLayerFlags;
 
 struct LayerPaintingInfo {
     LayerPaintingInfo(Layer* inRootLayer, const LayoutRect& inDirtyRect,
         PaintBehavior inPaintBehavior, const LayoutSize& inSubPixelAccumulation,
-        RenderObject* inPaintingRoot = 0)
+        LayoutObject* inPaintingRoot = 0)
         : rootLayer(inRootLayer)
         , paintingRoot(inPaintingRoot)
         , paintDirtyRect(inDirtyRect)
         , subPixelAccumulation(inSubPixelAccumulation)
         , paintBehavior(inPaintBehavior)
         , clipToDirtyRect(true)
     { }
     Layer* rootLayer;
-    RenderObject* paintingRoot; // only paint descendants of this object
+    LayoutObject* paintingRoot; // only paint descendants of this object
     LayoutRect paintDirtyRect; // relative to rootLayer;
     LayoutSize subPixelAccumulation;
     PaintBehavior paintBehavior;
     bool clipToDirtyRect;
 };
 
 } // namespace blink
 
 #endif // LayerPaintingInfo_h