Remove internal recursion for RenderBlockFlow and RenderMultiColumnBlock layout

Source/core/rendering/LayoutState.h

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 56 matching lines @@
     // LayoutState is allocated out of the rendering partition.
     void* operator new(size_t);
     void operator delete(void*);
 
     void clearPaginationInformation();
     bool isPaginatingColumns() const { return m_columnInfo && m_columnInfo->paginationUnit() == ColumnInfo::Column; }
     bool isPaginated() const { return m_isPaginated; }
 
     // The page logical offset is the object's offset from the top of the page in the page progression
     // direction (so an x-offset in vertical text and a y-offset for horizontal text).
-    LayoutUnit pageLogicalOffset(RenderBox*, LayoutUnit childLogicalOffset) const;
+    LayoutUnit pageLogicalOffset(const RenderBox*, LayoutUnit childLogicalOffset) const;
 
     void addForcedColumnBreak(RenderBox*, LayoutUnit childLogicalOffset);
 
     LayoutUnit pageLogicalHeight() const { return m_pageLogicalHeight; }
     bool pageLogicalHeightChanged() const { return m_pageLogicalHeightChanged; }
 
     RenderBlockFlow* lineGrid() const { return m_lineGrid; }
     LayoutSize lineGridOffset() const { return m_lineGridOffset; }
     LayoutSize lineGridPaginationOrigin() const { return m_lineGridPaginationOrigin; }
 
@@ skipping 50 matching lines @@
     LayoutSize m_lineGridPaginationOrigin;
 
 #ifndef NDEBUG
     RenderObject* m_renderer;
 #endif
 };
 
 } // namespace WebCore
 
 #endif // LayoutState_h