Paint multicol from LayoutNG

third_party/WebKit/Source/core/layout/LayoutBlockFlow.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003-2013 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ skipping 705 matching lines @@
     bool m_discardMarginAfter : 1;
   };
 
   const FloatingObjects* floatingObjects() const {
     return m_floatingObjects.get();
   }
 
   static void updateAncestorShouldPaintFloatingObject(
       const LayoutBox& floatBox);
 
+  LayoutBlockFlowRareData& ensureRareData();
+
  protected:
   LayoutUnit maxPositiveMarginBefore() const {
     return m_rareData
                ? m_rareData->m_margins.positiveMarginBefore()
                : LayoutBlockFlowRareData::positiveMarginBeforeDefault(this);
   }
   LayoutUnit maxNegativeMarginBefore() const {
     return m_rareData
                ? m_rareData->m_margins.negativeMarginBefore()
                : LayoutBlockFlowRareData::negativeMarginBeforeDefault(this);
@@ skipping 108 matching lines @@
   LayoutUnit adjustForUnsplittableChild(LayoutBox&,
                                         LayoutUnit logicalOffset) const;
 
   // Used to store state between styleWillChange and styleDidChange
   static bool s_canPropagateFloatIntoSibling;
 
   LineBoxList m_lineBoxes;  // All of the root line boxes created for this block
                             // flow.  For example, <div>Hello<br>world.</div>
                             // will have two total lines for the <div>.
 
-  LayoutBlockFlowRareData& ensureRareData();
 
   bool isSelfCollapsingBlock() const override;
   bool checkIfIsSelfCollapsingBlock() const;
 
  protected:
   std::unique_ptr<LayoutBlockFlowRareData> m_rareData;
   std::unique_ptr<FloatingObjects> m_floatingObjects;
 
   friend class MarginInfo;
   friend class LineWidth;  // needs to know FloatingObject
@@ skipping 90 matching lines @@
   void positionDialog();
 
   // END METHODS DEFINED IN LayoutBlockFlowLine
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlockFlow, isLayoutBlockFlow());
 
 }  // namespace blink
 
 #endif  // LayoutBlockFlow_h