Reland "[heap] Fine-grained JSArrayBuffer tracking"

src/heap/objects-visiting-inl.h

Index: src/heap/objects-visiting-inl.h
diff --git a/src/heap/objects-visiting-inl.h b/src/heap/objects-visiting-inl.h
index c504988436f79f562eb73530db3ff4b30da489da..4366831aa9615bca3aa7d3066e511bc140392e62 100644
--- a/src/heap/objects-visiting-inl.h
+++ b/src/heap/objects-visiting-inl.h
@@ -105,11 +105,6 @@ int StaticNewSpaceVisitor<StaticVisitor>::VisitJSArrayBuffer(
     Map* map, HeapObject* object) {
   typedef FlexibleBodyVisitor<StaticVisitor, JSArrayBuffer::BodyDescriptor, int>
       JSArrayBufferBodyVisitor;
-
-  if (!JSArrayBuffer::cast(object)->is_external()) {
-    Heap* heap = map->GetHeap();
-    heap->array_buffer_tracker()->MarkLive(JSArrayBuffer::cast(object));
-  }
   return JSArrayBufferBodyVisitor::Visit(map, object);
 }
 
@@ -533,7 +528,7 @@ void StaticMarkingVisitor<StaticVisitor>::VisitJSArrayBuffer(
 
   if (!JSArrayBuffer::cast(object)->is_external() &&
       !heap->InNewSpace(object)) {
-    heap->array_buffer_tracker()->MarkLive(JSArrayBuffer::cast(object));
+    ArrayBufferTracker::MarkLive(heap, JSArrayBuffer::cast(object));
   }
 }