Consistent use of const for LookupResult.

src/property-details.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 215 matching lines @@
   PropertyDetails(PropertyAttributes attributes,
                   PropertyType type,
                   Representation representation,
                   int field_index = 0) {
     value_ = TypeField::encode(type)
         | AttributesField::encode(attributes)
         | RepresentationField::encode(EncodeRepresentation(representation))
         | FieldIndexField::encode(field_index);
   }
 
-  int pointer() { return DescriptorPointer::decode(value_); }
+  int pointer() const { return DescriptorPointer::decode(value_); }
 
   PropertyDetails set_pointer(int i) { return PropertyDetails(value_, i); }
 
-  PropertyDetails CopyWithRepresentation(Representation representation) {
+  PropertyDetails CopyWithRepresentation(Representation representation) const {
     return PropertyDetails(value_, representation);
   }
   PropertyDetails CopyAddAttributes(PropertyAttributes new_attributes) {
     new_attributes =
         static_cast<PropertyAttributes>(attributes() | new_attributes);
     return PropertyDetails(value_, new_attributes);
   }
 
   // Conversion for storing details as Object*.
   explicit inline PropertyDetails(Smi* smi);
-  inline Smi* AsSmi();
+  inline Smi* AsSmi() const;
 
   static uint8_t EncodeRepresentation(Representation representation) {
     return representation.kind();
   }
 
   static Representation DecodeRepresentation(uint32_t bits) {
     return Representation::FromKind(static_cast<Representation::Kind>(bits));
   }
 
-  PropertyType type() { return TypeField::decode(value_); }
+  PropertyType type() const { return TypeField::decode(value_); }
 
   PropertyAttributes attributes() const {
     return AttributesField::decode(value_);
   }
 
-  int dictionary_index() {
+  int dictionary_index() const {
     return DictionaryStorageField::decode(value_);
   }
 
-  Representation representation() {
+  Representation representation() const {
     ASSERT(type() != NORMAL);
     return DecodeRepresentation(RepresentationField::decode(value_));
   }
 
-  int  field_index() {
+  int field_index() const {
     return FieldIndexField::decode(value_);
   }
 
-  inline PropertyDetails AsDeleted();
+  inline PropertyDetails AsDeleted() const;
 
   static bool IsValidIndex(int index) {
     return DictionaryStorageField::is_valid(index);
   }
 
   bool IsReadOnly() const { return (attributes() & READ_ONLY) != 0; }
   bool IsDontDelete() const { return (attributes() & DONT_DELETE) != 0; }
   bool IsDontEnum() const { return (attributes() & DONT_ENUM) != 0; }
   bool IsDeleted() const { return DeletedField::decode(value_) != 0;}
 
@@ skipping 29 matching lines @@
   PropertyDetails(int value, PropertyAttributes attributes) {
     value_ = AttributesField::update(value, attributes);
   }
 
   uint32_t value_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PROPERTY_DETAILS_H_