| Index: Source/core/html/HTMLTemplateElement.h | 
| diff --git a/Source/core/html/HTMLTemplateElement.h b/Source/core/html/HTMLTemplateElement.h | 
| index 5e5ac7d760fd4cfbfae29d6ed77b291c6f55c821..4a38b5f1a328805601575aa503b740d59e11bb39 100644 | 
| --- a/Source/core/html/HTMLTemplateElement.h | 
| +++ b/Source/core/html/HTMLTemplateElement.h | 
| @@ -42,6 +42,7 @@ class HTMLTemplateElement FINAL : public HTMLElement { | 
| public: | 
| static PassRefPtrWillBeRawPtr<HTMLTemplateElement> create(Document&); | 
| virtual ~HTMLTemplateElement(); | 
| +    virtual void trace(Visitor*) OVERRIDE; | 
|  | 
| DocumentFragment* content() const; | 
|  | 
| @@ -51,7 +52,7 @@ private: | 
|  | 
| explicit HTMLTemplateElement(Document&); | 
|  | 
| -    mutable RefPtr<TemplateContentDocumentFragment> m_content; | 
| +    mutable RefPtrWillBeMember<TemplateContentDocumentFragment> m_content; | 
| }; | 
|  | 
| } // namespace WebCore | 
|  |