36 #define FIELD(Type, Name) \  macro
40     FIELD(size_t, Size),  enumerator
41     FIELD(uintptr_t, Flags),  enumerator
42     FIELD(Heap*, Heap),  enumerator
43     FIELD(Address, AreaStart),  enumerator
44     FIELD(Address, AreaEnd),  enumerator
45     FIELD(size_t, AllocatedBytes),  enumerator
46     FIELD(size_t, WastedMemory),  enumerator
47     FIELD(std::atomic<intptr_t>, HighWaterMark),  enumerator
48     FIELD(Address, Owner),  enumerator
49     FIELD(VirtualMemory, Reservation),  enumerator
51     FIELD(SlotSet* [kNumSets], SlotSet),  enumerator
52     FIELD(std::atomic<size_t>, ProgressBar),  enumerator
53     FIELD(std::atomic<intptr_t>, LiveByteCount),  enumerator
54     FIELD(SlotSet*, SweepingSlotSet),  enumerator
55     FIELD(TypedSlotsSet* [kNumSets], TypedSlotSet),  enumerator
56     FIELD(void* [kNumSets], InvalidatedSlots),  enumerator
57     FIELD(base::Mutex*, Mutex),  enumerator
58     FIELD(std::atomic<intptr_t>, ConcurrentSweeping),  enumerator
59     FIELD(base::Mutex*, PageProtectionChangeMutex),  enumerator
60     FIELD(uintptr_t, WriteUnprotectCounter),  enumerator
61     FIELD(std::atomic<size_t>[kNumTypes], ExternalBackingStoreBytes),  enumerator
62     FIELD(heap::ListNode<MemoryChunk>, ListNode),  enumerator
63     FIELD(FreeListCategory**, Categories),  enumerator
64     FIELD(std::atomic<intptr_t>, YoungGenerationLiveByteCount),  enumerator
65     FIELD(Bitmap*, YoungGenerationBitmap),  enumerator
66     FIELD(CodeObjectRegistry*, CodeObjectRegistry),  enumerator
67     FIELD(PossiblyEmptyBuckets, PossiblyEmptyBuckets),  enumerator
69     FIELD(ObjectStartBitmap, ObjectStartBitmap),  enumerator