size_t
nsPropertyTable::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
    size_t n = 0;

    for (PropertyList *prop = mPropertyList; prop; prop = prop->mNext) {
        n += prop->SizeOfIncludingThis(aMallocSizeOf);
    }

    return n;
}