| Index: Source/WebCore/rendering/RenderFlowThread.h
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| ===================================================================
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| --- Source/WebCore/rendering/RenderFlowThread.h	(revision 105783)
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| +++ Source/WebCore/rendering/RenderFlowThread.h	(working copy)
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| @@ -89,6 +89,7 @@
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|      bool hasValidRegions() const { ASSERT(!m_regionsInvalidated); return m_hasValidRegions; }
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|  
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|      void invalidateRegions() { m_regionsInvalidated = true; setNeedsLayout(true); }
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| +    bool hasValidRegionInfo() const { return !m_regionsInvalidated && hasValidRegions(); }
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|  
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|      static PassRefPtr<RenderStyle> createFlowThreadStyle(RenderStyle* parentStyle);
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|  
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| 
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