Clean up LookupIterator::Configuration naming

src/lookup.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/v8.h"
 
 #include "src/bootstrapper.h"
 #include "src/deoptimizer.h"
 #include "src/lookup.h"
 #include "src/lookup-inl.h"
@@ skipping 234 matching lines @@
 
   JSObject::ReoptimizeIfPrototype(receiver);
   holder_map_ = handle(receiver->map(), isolate_);
   ReloadPropertyInformation();
 }
 
 
 bool LookupIterator::HolderIsReceiverOrHiddenPrototype() const {
   DCHECK(has_property_ || state_ == INTERCEPTOR || state_ == JSPROXY);
   // Optimization that only works if configuration_ is not mutable.
-  if (!check_derived()) return true;
+  if (!check_prototype_chain()) return true;
   DisallowHeapAllocation no_gc;
   Handle<Object> receiver = GetReceiver();
   if (!receiver->IsJSReceiver()) return false;
   Object* current = *receiver;
   JSReceiver* holder = *maybe_holder_.ToHandleChecked();
   // JSProxy do not occur as hidden prototypes.
   if (current->IsJSProxy()) {
     return JSReceiver::cast(current) == holder;
   }
   PrototypeIterator iter(isolate(), current,
@@ skipping 111 matching lines @@
     DCHECK_EQ(v8::internal::CONSTANT, property_details_.type());
   }
 }
 
 
 void LookupIterator::InternalizeName() {
   if (name_->IsUniqueName()) return;
   name_ = factory()->InternalizeString(Handle<String>::cast(name_));
 }
 } }  // namespace v8::internal