| Index: Source/web/PopupMenuChromium.h | 
| diff --git a/Source/web/PopupMenuChromium.h b/Source/web/PopupMenuChromium.h | 
| index d493a3e77f85c4efc9f13c30fbc6a5a36b86bb0c..33e0d9f20e1d3e6e2b56d34091601f239cf35c75 100644 | 
| --- a/Source/web/PopupMenuChromium.h | 
| +++ b/Source/web/PopupMenuChromium.h | 
| @@ -51,10 +51,14 @@ public: | 
| virtual void updateFromElement() override; | 
| virtual void disconnectClient() override; | 
|  | 
| +    virtual void trace(Visitor*) OVERRIDE; | 
| + | 
| private: | 
| +    void dispose(); | 
| + | 
| PopupMenuClient* m_popupClient; | 
| -    RefPtr<FrameView> m_frameView; | 
| -    RefPtr<PopupContainer> m_popup; | 
| +    RefPtrWillBeMember<FrameView> m_frameView; | 
| +    RefPtrWillBeMember<PopupContainer> m_popup; | 
| }; | 
|  | 
| } // namespace blink | 
|  |