Remove internal recursion for RenderBlockFlow and RenderMultiColumnBlock layout

Source/core/rendering/LayoutState.h

Index: Source/core/rendering/LayoutState.h
diff --git a/Source/core/rendering/LayoutState.h b/Source/core/rendering/LayoutState.h
index 16aa5b6ef363c02f98a280d75e0b25ee61d8235a..935fea264c26135a70a486c7d2fc653bf515c77b 100644
--- a/Source/core/rendering/LayoutState.h
+++ b/Source/core/rendering/LayoutState.h
@@ -74,7 +74,7 @@ public:
 
     // 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);