Remove the holder_ field from LookupResult

src/objects.cc

 // Copyright 2013 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 <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
@@ skipping 13552 matching lines @@
     array->set_length(*len);
   }
 }
 
 
 bool JSArray::IsReadOnlyLengthDescriptor(Handle<Map> jsarray_map) {
   Isolate* isolate = jsarray_map->GetIsolate();
   DCHECK(!jsarray_map->is_dictionary_map());
   LookupResult lookup(isolate);
   Handle<Name> length_string = isolate->factory()->length_string();
-  jsarray_map->LookupDescriptor(NULL, *length_string, &lookup);
+  jsarray_map->LookupDescriptor(*length_string, &lookup);
   return lookup.IsReadOnly();
 }
 
 
 bool JSArray::HasReadOnlyLength(Handle<JSArray> array) {
   LookupIterator it(array, array->GetIsolate()->factory()->length_string(),
                     LookupIterator::OWN_SKIP_INTERCEPTOR);
   CHECK_NE(LookupIterator::ACCESS_CHECK, it.state());
   CHECK(it.IsFound());
   CHECK_EQ(LookupIterator::ACCESSOR, it.state());
@@ skipping 3628 matching lines @@
                                                CompilationInfo* info) {
   Handle<DependentCode> codes = DependentCode::InsertCompilationInfo(
       handle(cell->dependent_code(), info->isolate()),
       DependentCode::kPropertyCellChangedGroup, info->object_wrapper());
   if (*codes != cell->dependent_code()) cell->set_dependent_code(*codes);
   info->dependencies(DependentCode::kPropertyCellChangedGroup)->Add(
       cell, info->zone());
 }
 
 } }  // namespace v8::internal