Remove NewJSObjectWithMemento

src/factory.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/factory.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 1614 matching lines @@
 
 Handle<JSObject> Factory::NewJSObject(Handle<JSFunction> constructor,
                                       PretenureFlag pretenure) {
   JSFunction::EnsureHasInitialMap(constructor);
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateJSObject(*constructor, pretenure), JSObject);
 }
 
 
-Handle<JSObject> Factory::NewJSObjectWithMemento(
-    Handle<JSFunction> constructor,
-    Handle<AllocationSite> site) {
-  JSFunction::EnsureHasInitialMap(constructor);
-  CALL_HEAP_FUNCTION(
-      isolate(),
-      isolate()->heap()->AllocateJSObject(*constructor, NOT_TENURED, *site),
-      JSObject);
-}
-
 Handle<JSObject> Factory::NewJSObjectWithNullProto() {
   Handle<JSObject> result = NewJSObject(isolate()->object_function());
   Handle<Map> new_map =
       Map::Copy(Handle<Map>(result->map()), "ObjectWithNullProto");
   Map::SetPrototype(new_map, null_value());
   JSObject::MigrateToMap(result, new_map);
   return result;
 }
 
 Handle<JSGlobalObject> Factory::NewJSGlobalObject(
@@ skipping 1052 matching lines @@
       Handle<JSFixedArrayIterator>::cast(NewJSObjectFromMap(map));
   iterator->set_initial_next(*next);
   iterator->set_array(*array);
   iterator->set_index(0);
   iterator->InObjectPropertyAtPut(JSFixedArrayIterator::kNextIndex, *next);
   return iterator;
 }
 
 }  // namespace internal
 }  // namespace v8