Remove last references to NeanderObject

src/heap/heap.cc

 // 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.
 
 #include "src/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/ast/context-slot-cache.h"
 #include "src/base/bits.h"
@@ skipping 2519 matching lines @@
     set_encountered_transition_arrays(array);
   } else {
     array->set_next_link(undefined_value(), SKIP_WRITE_BARRIER);
   }
   return array;
 }
 
 
 void Heap::CreateApiObjects() {
   HandleScope scope(isolate());
-  Factory* factory = isolate()->factory();
-  Handle<Map> new_neander_map =
-      factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize);
-
-  // Don't use Smi-only elements optimizations for objects with the neander
-  // map. There are too many cases where element values are set directly with a
-  // bottleneck to trap the Smi-only -> fast elements transition, and there
-  // appears to be no benefit for optimize this case.
-  new_neander_map->set_elements_kind(TERMINAL_FAST_ELEMENTS_KIND);
-  set_neander_map(*new_neander_map);
   set_message_listeners(*TemplateList::New(isolate(), 2));
 }
 
 
 void Heap::CreateJSEntryStub() {
   JSEntryStub stub(isolate(), StackFrame::ENTRY);
   set_js_entry_code(*stub.GetCode());
 }
 
 
@@ skipping 3936 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8