1 files changed, 14 insertions, 4 deletions
diff --git a/deps/v8/src/heap/array-buffer-sweeper.h b/deps/v8/src/heap/array-buffer-sweeper.h
index 14360dd67f..b49e54b994 100644
--- a/deps/v8/src/heap/array-buffer-sweeper.h
+++ b/deps/v8/src/heap/array-buffer-sweeper.h
@@ -9,6 +9,7 @@
 
 #include "src/base/logging.h"
 #include "src/base/platform/mutex.h"
+#include "src/heap/sweeper.h"
 #include "src/objects/js-array-buffer.h"
 #include "src/tasks/cancelable-task.h"
 
@@ -46,11 +47,13 @@ struct ArrayBufferList final {
 class ArrayBufferSweeper final {
  public:
   enum class SweepingType { kYoung, kFull };
+  enum class TreatAllYoungAsPromoted { kNo, kYes };
 
   explicit ArrayBufferSweeper(Heap* heap);
   ~ArrayBufferSweeper();
 
-  void RequestSweep(SweepingType sweeping_type);
+  void RequestSweep(SweepingType sweeping_type,
+                    TreatAllYoungAsPromoted treat_young_as_promoted);
   void EnsureFinished();
 
   // Track the given ArrayBufferExtension for the given JSArrayBuffer.
@@ -67,13 +70,16 @@ class ArrayBufferSweeper final {
   // Bytes accounted in the old generation. Rebuilt during sweeping.
   size_t OldBytes() const { return old().ApproximateBytes(); }
 
+  bool sweeping_in_progress() const {
+    DCHECK_IMPLIES(!job_, local_sweeper_.IsEmpty());
+    return job_.get();
+  }
+
  private:
   struct SweepingJob;
 
   enum class SweepingState { kInProgress, kDone };
 
-  bool sweeping_in_progress() const { return job_.get(); }
-
   // Finishes sweeping if it is already done.
   void FinishIfDone();
 
@@ -82,17 +88,21 @@ class ArrayBufferSweeper final {
   void IncrementExternalMemoryCounters(size_t bytes);
   void DecrementExternalMemoryCounters(size_t bytes);
 
-  void Prepare(SweepingType type);
+  void Prepare(SweepingType type,
+               TreatAllYoungAsPromoted treat_all_young_as_promoted);
   void Finalize();
 
   void ReleaseAll(ArrayBufferList* extension);
 
+  void DoSweep();
+
   Heap* const heap_;
   std::unique_ptr<SweepingJob> job_;
   base::Mutex sweeping_mutex_;
   base::ConditionVariable job_finished_;
   ArrayBufferList young_;
   ArrayBufferList old_;
+  Sweeper::LocalSweeper local_sweeper_;
 };
 
 }  // namespace internal