Index: Source/core/dom/TreeScope.cpp |
diff --git a/Source/core/dom/TreeScope.cpp b/Source/core/dom/TreeScope.cpp |
index efe9c5045c73fb9c54aff8f6123f182da435fddc..709033ae3427d93db3d9d4db05fe624908ab5038 100644 |
--- a/Source/core/dom/TreeScope.cpp |
+++ b/Source/core/dom/TreeScope.cpp |
@@ -542,6 +542,7 @@ void TreeScope::trace(Visitor* visitor) |
visitor->trace(m_rootNode); |
visitor->trace(m_document); |
visitor->trace(m_parentTreeScope); |
+ visitor->trace(m_idTargetObserverRegistry); |
visitor->trace(m_selection); |
} |