Keep track of array buffers in new space separately

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index dfbcc701e6939f5a7215d19c9118f09440fe9121..a0ee058d4a128c5dc5c5a9da4640b5951773782c 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -1511,10 +1511,11 @@ class Heap {
 
   bool deserialization_complete() const { return deserialization_complete_; }
 
-  void RegisterNewArrayBuffer(void* data, size_t length);
-  void UnregisterArrayBuffer(void* data);
-  void RegisterLiveArrayBuffer(void* data);
-  void FreeDeadArrayBuffers();
+  void RegisterNewArrayBuffer(bool in_new_space, void* data, size_t length);
+  void UnregisterArrayBuffer(bool in_new_space, void* data);
+  void RegisterLiveArrayBuffer(bool in_new_space, void* data);
+  void FreeDeadArrayBuffers(bool in_new_space);
+  void PromoteArrayBuffer(JSArrayBuffer* buffer);
 
  protected:
   // Methods made available to tests.
@@ -2180,7 +2181,9 @@ class Heap {
   bool concurrent_sweeping_enabled_;
 
   std::map<void*, size_t> live_array_buffers_;
+  std::map<void*, size_t> live_new_array_buffers_;
   std::map<void*, size_t> not_yet_discovered_array_buffers_;
+  std::map<void*, size_t> not_yet_discovered_new_array_buffers_;
 
   struct StrongRootsList;
   StrongRootsList* strong_roots_list_;