MOZ_COUNT_DTOR(nsSizeOfHandler);
nsSizeOfHandler::~nsSizeOfHandler(){  MOZ_COUNT_DTOR(nsSizeOfHandler);  if (nsnull != mObjectTable) {    PL_HashTableEnumerateEntries(mObjectTable, RemoveObjectEntry, 0);    PL_HashTableDestroy(mObjectTable);  }  if (nsnull != mSizeTable) {    PL_HashTableEnumerateEntries(mSizeTable, RemoveSizeEntry, 0);    PL_HashTableDestroy(mSizeTable);  }}