Add DEFINE_STATIC_REF_WILL_BE_PERSISTENT macro

Source/platform/heap/Handle.h

Index: Source/platform/heap/Handle.h
diff --git a/Source/platform/heap/Handle.h b/Source/platform/heap/Handle.h
index f9754449675465915771ec9fd0a1b7d194badc02..02a552210157a8dbce984288133279d67233ed2a 100644
--- a/Source/platform/heap/Handle.h
+++ b/Source/platform/heap/Handle.h
@@ -795,6 +795,9 @@ template<typename T> PassOwnPtrWillBeRawPtr<T> adoptPtrWillBeNoop(T* ptr)
 #define DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(type) // do nothing
 #define DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(type) // do nothing
 
+#define DEFINE_STATIC_REF_WILL_BE_PERSISTENT(type, name, arguments) \
+    DEFINE_STATIC_LOCAL(Persistent<type>, name, arguments)
+
 #else // !ENABLE(OILPAN)
 
 template<typename T>
@@ -860,6 +863,9 @@ template<typename T> PassOwnPtrWillBeRawPtr<T> adoptPtrWillBeNoop(T* ptr) { retu
 #define DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(type) \
     type::~type() { }
 
+#define DEFINE_STATIC_REF_WILL_BE_PERSISTENT(type, name, arguments) \
+    DEFINE_STATIC_REF(type, name, arguments)
+
 #endif // ENABLE(OILPAN)
 
 } // namespace WebCore