Object's body descriptors refactoring.

src/heap/scavenger.cc

 // Copyright 2015 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/heap/scavenger.h"
 
 #include "src/contexts.h"
 #include "src/heap/heap.h"
 #include "src/heap/objects-visiting-inl.h"
 #include "src/heap/scavenger-inl.h"
@@ skipping 248 matching lines @@
           target->address() + JSFunction::kCodeEntryOffset;
       Code* code = Code::cast(Code::GetObjectFromEntryAddress(code_entry_slot));
       map->GetHeap()->mark_compact_collector()->RecordCodeEntrySlot(
           target, code_entry_slot, code);
     }
   }
 
 
   static inline void EvacuateFixedArray(Map* map, HeapObject** slot,
                                         HeapObject* object) {
-    int object_size = FixedArray::BodyDescriptor::SizeOf(map, object);
+    int length = reinterpret_cast<FixedArray*>(object)->synchronized_length();
+    int object_size = FixedArray::SizeFor(length);
     EvacuateObject<POINTER_OBJECT, kWordAligned>(map, slot, object,
                                                  object_size);
   }
 
 
   static inline void EvacuateFixedDoubleArray(Map* map, HeapObject** slot,
                                               HeapObject* object) {
     int length = reinterpret_cast<FixedDoubleArray*>(object)->length();
     int object_size = FixedDoubleArray::SizeFor(length);
     EvacuateObject<DATA_OBJECT, kDoubleAligned>(map, slot, object, object_size);
@@ skipping 207 matching lines @@
 
 void ScavengeVisitor::ScavengePointer(Object** p) {
   Object* object = *p;
   if (!heap_->InNewSpace(object)) return;
   Scavenger::ScavengeObject(reinterpret_cast<HeapObject**>(p),
                             reinterpret_cast<HeapObject*>(object));
 }
 
 }  // namespace internal
 }  // namespace v8