Remove internal recursion for RenderBlockFlow and RenderMultiColumnBlock layout

Source/core/rendering/RenderBlockFlow.h

Index: Source/core/rendering/RenderBlockFlow.h
diff --git a/Source/core/rendering/RenderBlockFlow.h b/Source/core/rendering/RenderBlockFlow.h
index 19a2988e65a89ba81979d14bffaa96b421432b22..3a9fc7273d0abf254e46021b45d6b4fbc700693d 100644
--- a/Source/core/rendering/RenderBlockFlow.h
+++ b/Source/core/rendering/RenderBlockFlow.h
@@ -256,7 +256,7 @@ protected:
     virtual void insertedIntoTree() OVERRIDE;
     virtual void willBeDestroyed() OVERRIDE;
 private:
-    void layoutBlockFlow(bool relayoutChildren, LayoutUnit pageLogicalHeight = 0);
+    bool tryLayoutBlockFlow(bool relayoutChildren, LayoutUnit& pageLogicalHeight, SubtreeLayoutScope&);
     void layoutBlockChildren(bool relayoutChildren, LayoutUnit& maxFloatLogicalBottom, SubtreeLayoutScope&, LayoutUnit beforeEdge, LayoutUnit afterEdge);
 
     void layoutBlockChild(RenderBox* child, MarginInfo&, LayoutUnit& previousFloatLogicalBottom, LayoutUnit& maxFloatLogicalBottom);
@@ -323,7 +323,9 @@ private:
     virtual RootInlineBox* createRootInlineBox(); // Subclassed by SVG
 
     void updateLogicalWidthForAlignment(const ETextAlign&, const RootInlineBox*, BidiRun* trailingSpaceRun, float& logicalLeft, float& totalLogicalWidth, float& availableLogicalWidth, int expansionOpportunityCount);
-    virtual bool relayoutForPagination(bool hasSpecifiedPageLogicalHeight, LayoutUnit pageLogicalHeight, LayoutStateMaintainer&);
+    bool shouldRelayoutForPagination(LayoutUnit& pageLogicalHeight, LayoutUnit layoutOverflowLogicalBottom) const;
+    void setColumnCountAndHeight(unsigned count, LayoutUnit pageLogicalHeight);
+
 public:
     struct FloatWithRect {
         FloatWithRect(RenderBox* f)