static void PSArenaFreeCB(size_t aSize, void* aPtr, void* aClosure)
static void PR_CALLBACK PSArenaFreeCB(size_t aSize, void* aPtr, void* aClosure)
static void PSArenaFreeCB(size_t aSize, void* aPtr, void* aClosure){  NS_STATIC_CAST(nsIPresShell*, aClosure)->FreeFrame(aSize, aPtr);}