mMap = PL_NewHashTable(16 ,
static const size_t kBucketSizes[] = { sizeof(Entry) }; static const PRInt32 kNumBuckets = sizeof(kBucketSizes) / sizeof(size_t);  static const PRInt32 kInitialEntries = 16;  static const PRInt32 kInitialSize = NS_SIZE_IN_HEAP(sizeof(Entry)) * kInitialEntries;  mPool.Init("ContentSupportMap", kBucketSizes, kNumBuckets, kInitialSize);  mMap = PL_NewHashTable(kInitialEntries,
ContentSupportMap::ContentSupportMap(){    mMap = PL_NewHashTable(16 /* XXX arbitrary */,                           HashPointer,                           PL_CompareValues,                           PL_CompareValues,                           &gAllocOps,                           nsnull /* XXX use an arena! */);}