[heap] Remove black pages and use black areas instead.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 958d0f8c948adef6d75ba3078f67be22aefa723d..a5439be5afdcf983ff3fae1acaa2d814bf9a2c40 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -4179,14 +4179,13 @@ void Heap::RegisterReservationsForBlackAllocation(Reservation* reservations) {
   // Hence we have to color all objects of the reservation first black to avoid
   // unnecessary marking deque load.
   if (incremental_marking()->black_allocation()) {
-    for (int i = CODE_SPACE; i < Serializer::kNumberOfSpaces; i++) {
+    for (int i = OLD_SPACE; i < Serializer::kNumberOfSpaces; i++) {
       const Heap::Reservation& res = reservations[i];
       for (auto& chunk : res) {
         Address addr = chunk.start;
         while (addr < chunk.end) {
           HeapObject* obj = HeapObject::FromAddress(addr);
           Marking::MarkBlack(ObjectMarking::MarkBitFrom(obj));
-          MemoryChunk::IncrementLiveBytesFromGC(obj, obj->Size());
           addr += obj->Size();
         }
       }