| Index: Source/core/page/Page.h | 
| diff --git a/Source/core/page/Page.h b/Source/core/page/Page.h | 
| index d2de92b184bedba59fcb3787104a1431174d04e2..b2c738aaef7df5cd9e4239f7378af597c32d18b6 100644 | 
| --- a/Source/core/page/Page.h | 
| +++ b/Source/core/page/Page.h | 
| @@ -27,6 +27,7 @@ | 
| #include "core/frame/OriginsUsingFeatures.h" | 
| #include "core/frame/SettingsDelegate.h" | 
| #include "core/frame/UseCounter.h" | 
| +#include "core/page/Page.h" | 
| #include "core/page/PageAnimator.h" | 
| #include "core/page/PageLifecycleNotifier.h" | 
| #include "core/page/PageLifecycleObserver.h" | 
| @@ -269,6 +270,8 @@ private: | 
| OwnPtrWillBeMember<FrameHost> m_frameHost; | 
| }; | 
|  | 
| +extern template class CORE_TEMPLATE_EXPORT WillBeHeapSupplement<Page>; | 
| + | 
| } // namespace blink | 
|  | 
| #endif // Page_h | 
|  |