Index: Source/core/timing/PerformanceTiming.h |
diff --git a/Source/core/timing/PerformanceTiming.h b/Source/core/timing/PerformanceTiming.h |
index 19f676fa10b86d0aa8f3a221b213171db7995306..b4af42709e1b73186393fb646fc8765109206891 100644 |
--- a/Source/core/timing/PerformanceTiming.h |
+++ b/Source/core/timing/PerformanceTiming.h |
@@ -47,6 +47,7 @@ class ResourceLoadTiming; |
class PerformanceTiming FINAL : public RefCountedWillBeGarbageCollectedFinalized<PerformanceTiming>, public ScriptWrappable, public DOMWindowProperty { |
DEFINE_WRAPPERTYPEINFO(); |
+ WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(PerformanceTiming); |
public: |
static PassRefPtrWillBeRawPtr<PerformanceTiming> create(LocalFrame* frame) |
{ |
@@ -75,7 +76,7 @@ public: |
unsigned long long loadEventStart() const; |
unsigned long long loadEventEnd() const; |
- void trace(Visitor*) { } |
+ virtual void trace(Visitor*) OVERRIDE; |
private: |
explicit PerformanceTiming(LocalFrame*); |