Index: Source/core/page/Page.cpp |
diff --git a/Source/core/page/Page.cpp b/Source/core/page/Page.cpp |
index f7953e12fafeeb7023dab950b0e173f4bb5dd4a3..38062ea89b384ce3888f78fa34ab4b64ce0b2be5 100644 |
--- a/Source/core/page/Page.cpp |
+++ b/Source/core/page/Page.cpp |
@@ -594,6 +594,7 @@ void Page::trace(Visitor* visitor) |
visitor->trace(m_dragCaretController); |
visitor->trace(m_dragController); |
visitor->trace(m_pointerLockController); |
+ visitor->trace(m_undoStack); |
visitor->trace(m_validationMessageClient); |
visitor->trace(m_multisamplingChangedObservers); |
visitor->trace(m_frameHost); |