| Index: Source/core/rendering/RenderMultiColumnSpannerSet.h
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| diff --git a/Source/core/rendering/RenderMultiColumnSpannerSet.h b/Source/core/rendering/RenderMultiColumnSpannerSet.h
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| index 5b110f972e88e30ad7dd4f9965efcef0d6af21b4..9651f8a828704ceea2bfce59a193127cef8150d6 100644
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| --- a/Source/core/rendering/RenderMultiColumnSpannerSet.h
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| +++ b/Source/core/rendering/RenderMultiColumnSpannerSet.h
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| @@ -28,6 +28,8 @@ public:
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|  
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|  protected:
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|      virtual bool recalculateColumnHeight(BalancedHeightCalculation) override;
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| +    virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const override;
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| +    virtual LayoutUnit pageLogicalHeight() const override;
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|      virtual const char* renderName() const override;
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|  
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|  private:
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| 
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