[heap] introduce ArrayBufferTracker

src/runtime/runtime-typedarray.cc

 // Copyright 2014 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.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/factory.h"
 #include "src/messages.h"
 #include "src/objects-inl.h"
@@ skipping 74 matching lines @@
   if (array_buffer->backing_store() == NULL) {
     CHECK(Smi::FromInt(0) == array_buffer->byte_length());
     return isolate->heap()->undefined_value();
   }
   // Shared array buffers should never be neutered.
   RUNTIME_ASSERT(!array_buffer->is_shared());
   DCHECK(!array_buffer->is_external());
   void* backing_store = array_buffer->backing_store();
   size_t byte_length = NumberToSize(isolate, array_buffer->byte_length());
   array_buffer->set_is_external(true);
+  isolate->heap()->UnregisterArrayBuffer(*array_buffer);
   array_buffer->Neuter();
-  isolate->heap()->UnregisterArrayBuffer(
-      isolate->heap()->InNewSpace(*array_buffer), backing_store);
   isolate->array_buffer_allocator()->Free(backing_store, byte_length);
   return isolate->heap()->undefined_value();
 }
 
 
 void Runtime::ArrayIdToTypeAndSize(int arrayId, ExternalArrayType* array_type,
                                    ElementsKind* fixed_elements_kind,
                                    size_t* element_size) {
   switch (arrayId) {
 #define ARRAY_ID_CASE(Type, type, TYPE, ctype, size)      \
@@ skipping 574 matching lines @@
 DATA_VIEW_SETTER(Uint16, uint16_t)
 DATA_VIEW_SETTER(Int16, int16_t)
 DATA_VIEW_SETTER(Uint32, uint32_t)
 DATA_VIEW_SETTER(Int32, int32_t)
 DATA_VIEW_SETTER(Float32, float)
 DATA_VIEW_SETTER(Float64, double)
 
 #undef DATA_VIEW_SETTER
 }  // namespace internal
 }  // namespace v8