Index: Source/core/frame/Screen.h |
diff --git a/Source/core/frame/Screen.h b/Source/core/frame/Screen.h |
index bd91961acdf4500942d3c5f1b2a872a3516ccad4..b611b0dd6318d8a5723837c217e5142897359a64 100644 |
--- a/Source/core/frame/Screen.h |
+++ b/Source/core/frame/Screen.h |
@@ -59,7 +59,7 @@ public: |
unsigned availHeight() const; |
unsigned availWidth() const; |
- void trace(Visitor*); |
+ virtual void trace(Visitor*) OVERRIDE; |
private: |
explicit Screen(LocalFrame*); |