| Index: Source/core/layout/LayoutMultiColumnSpannerPlaceholder.cpp | 
| diff --git a/Source/core/layout/LayoutMultiColumnSpannerPlaceholder.cpp b/Source/core/layout/LayoutMultiColumnSpannerPlaceholder.cpp | 
| index aefdc815624c1631b8b284d7d9ba11704ce18cb5..1a411f46902e6e9e8584d8d44a898910b85b659b 100644 | 
| --- a/Source/core/layout/LayoutMultiColumnSpannerPlaceholder.cpp | 
| +++ b/Source/core/layout/LayoutMultiColumnSpannerPlaceholder.cpp | 
| @@ -91,7 +91,7 @@ void LayoutMultiColumnSpannerPlaceholder::computeLogicalHeight(LayoutUnit, Layou | 
| computedValues.m_margins.m_after = marginAfter(); | 
| } | 
|  | 
| -void LayoutMultiColumnSpannerPlaceholder::invalidateTreeIfNeeded(const PaintInvalidationState& paintInvalidationState) | 
| +void LayoutMultiColumnSpannerPlaceholder::invalidateTreeIfNeeded(PaintInvalidationState& paintInvalidationState) | 
| { | 
| PaintInvalidationState newPaintInvalidationState(paintInvalidationState, *this, paintInvalidationState.paintInvalidationContainer()); | 
| m_rendererInFlowThread->invalidateTreeIfNeeded(newPaintInvalidationState); | 
|  |