Index: Source/core/frame/FrameDestructionObserver.h |
diff --git a/Source/core/frame/FrameDestructionObserver.h b/Source/core/frame/FrameDestructionObserver.h |
index 175f273647b639671255e583f13190f86723d09d..3337ceb99d350b0de8e5249efbf4ab0ef6d2ee12 100644 |
--- a/Source/core/frame/FrameDestructionObserver.h |
+++ b/Source/core/frame/FrameDestructionObserver.h |
@@ -39,7 +39,7 @@ public: |
LocalFrame* frame() const { return m_frame; } |
- virtual void trace(Visitor*); |
+ DECLARE_VIRTUAL_TRACE(); |
protected: |
explicit FrameDestructionObserver(LocalFrame*); |