| Index: Source/core/rendering/LayoutState.cpp
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| diff --git a/Source/core/rendering/LayoutState.cpp b/Source/core/rendering/LayoutState.cpp
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| index a9c6fcf1c93a44cec4cf4b0a4a5057f9899682a4..6e90c324c18389686786bfb70cade3744840dc49 100644
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| --- a/Source/core/rendering/LayoutState.cpp
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| +++ b/Source/core/rendering/LayoutState.cpp
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| @@ -181,7 +181,7 @@ void LayoutState::clearPaginationInformation()
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|      m_columnInfo = m_next->m_columnInfo;
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|  }
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|  
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| -LayoutUnit LayoutState::pageLogicalOffset(RenderBox* child, LayoutUnit childLogicalOffset) const
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| +LayoutUnit LayoutState::pageLogicalOffset(const RenderBox* child, LayoutUnit childLogicalOffset) const
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|  {
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|      if (child->isHorizontalWritingMode())
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|          return m_layoutOffset.height() + childLogicalOffset - m_pageOffset.height();
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| 
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