[heap] introduce ArrayBufferTracker

src/heap/objects-visiting-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_VISITING_INL_H_
 #define V8_OBJECTS_VISITING_INL_H_
 
+#include "src/heap/array-buffer-tracker.h"
 #include "src/heap/objects-visiting.h"
 #include "src/ic/ic-state.h"
 #include "src/macro-assembler.h"
 
 namespace v8 {
 namespace internal {
 
 
 template <typename Callback>
 Callback VisitorDispatchTable<Callback>::GetVisitor(Map* map) {
@@ skipping 71 matching lines @@
 template <typename StaticVisitor>
 int StaticNewSpaceVisitor<StaticVisitor>::VisitJSArrayBuffer(
     Map* map, HeapObject* object) {
   Heap* heap = map->GetHeap();
 
   VisitPointers(
       heap, object,
       HeapObject::RawField(object, JSArrayBuffer::BodyDescriptor::kStartOffset),
       HeapObject::RawField(object, JSArrayBuffer::kSizeWithInternalFields));
   if (!JSArrayBuffer::cast(object)->is_external()) {
-    heap->RegisterLiveArrayBuffer(true,
-                                  JSArrayBuffer::cast(object)->backing_store());
+    heap->array_buffer_tracker()->MarkLive(JSArrayBuffer::cast(object));
   }
   return JSArrayBuffer::kSizeWithInternalFields;
 }
 
 
 template <typename StaticVisitor>
 int StaticNewSpaceVisitor<StaticVisitor>::VisitJSTypedArray(
     Map* map, HeapObject* object) {
   VisitPointers(
       map->GetHeap(), object,
@@ skipping 416 matching lines @@
 void StaticMarkingVisitor<StaticVisitor>::VisitJSArrayBuffer(
     Map* map, HeapObject* object) {
   Heap* heap = map->GetHeap();
 
   StaticVisitor::VisitPointers(
       heap, object,
       HeapObject::RawField(object, JSArrayBuffer::BodyDescriptor::kStartOffset),
       HeapObject::RawField(object, JSArrayBuffer::kSizeWithInternalFields));
   if (!JSArrayBuffer::cast(object)->is_external() &&
       !heap->InNewSpace(object)) {
-    heap->RegisterLiveArrayBuffer(false,
-                                  JSArrayBuffer::cast(object)->backing_store());
+    heap->array_buffer_tracker()->MarkLive(JSArrayBuffer::cast(object));
   }
 }
 
 
 template <typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitJSTypedArray(
     Map* map, HeapObject* object) {
   StaticVisitor::VisitPointers(
       map->GetHeap(), object,
       HeapObject::RawField(object, JSTypedArray::BodyDescriptor::kStartOffset),
@@ skipping 344 matching lines @@
 
   RelocIterator it(this, mode_mask);
   for (; !it.done(); it.next()) {
     it.rinfo()->template Visit<StaticVisitor>(heap);
   }
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_VISITING_INL_H_