| Index: Source/core/dom/shadow/ContentDistribution.cpp | 
| diff --git a/Source/core/dom/shadow/ContentDistribution.cpp b/Source/core/dom/shadow/ContentDistribution.cpp | 
| index d63d7393404adb6d4afdc0c70de088a30354d760..b094102ab1e93a3c8b85d32de468051ed85e9297 100644 | 
| --- a/Source/core/dom/shadow/ContentDistribution.cpp | 
| +++ b/Source/core/dom/shadow/ContentDistribution.cpp | 
| @@ -73,8 +73,10 @@ Node* ContentDistribution::previousTo(const Node* node) const | 
|  | 
| void ContentDistribution::trace(Visitor* visitor) | 
| { | 
| +#if ENABLE(OILPAN) | 
| visitor->trace(m_nodes); | 
| visitor->trace(m_indices); | 
| +#endif | 
| } | 
|  | 
| } // namespace blink | 
|  |