| Index: Source/core/rendering/FlowThreadController.cpp
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| diff --git a/Source/core/rendering/FlowThreadController.cpp b/Source/core/rendering/FlowThreadController.cpp
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| index fed055926cc60ed3a83a7a79564c327aacdfe34b..984e6c8b67df337a23a1f48411be3b73e7a063aa 100644
 | 
| --- a/Source/core/rendering/FlowThreadController.cpp
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| +++ b/Source/core/rendering/FlowThreadController.cpp
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| @@ -225,6 +225,11 @@ void FlowThreadController::updateFlowThreadsIntoConstrainedPhase()
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|      }
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|  }
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|  
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| +bool FlowThreadController::isContentNodeRegisteredWithAnyNamedFlow(Node* contentNode) const
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| +{
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| +    return m_mapNamedFlowContentNodes.contains(contentNode);
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| +}
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| +
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|  #ifndef NDEBUG
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|  bool FlowThreadController::isAutoLogicalHeightRegionsCountConsistent() const
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|  {
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| 
 |