[runtime] Add MapUpdater class that manages all kinds of map updates.

src/property-details.h

 // 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.
 
 #ifndef V8_PROPERTY_DETAILS_H_
 #define V8_PROPERTY_DETAILS_H_
 
 #include "include/v8.h"
 #include "src/allocation.h"
 #include "src/utils.h"
@@ skipping 236 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);
   }
 
-  PropertyDetails(PropertyAttributes attributes, PropertyKind kind,
+  PropertyDetails(PropertyKind kind, PropertyAttributes attributes,
                   PropertyLocation location, Representation representation,
                   int field_index = 0) {
     value_ = KindField::encode(kind) | LocationField::encode(location) |
              AttributesField::encode(attributes) |
              RepresentationField::encode(EncodeRepresentation(representation)) |
              FieldIndexField::encode(field_index);
   }
 
   static PropertyDetails Empty(
       PropertyCellType cell_type = PropertyCellType::kNoCell) {
@@ skipping 125 matching lines @@
 };
 
 
 std::ostream& operator<<(std::ostream& os,
                          const PropertyAttributes& attributes);
 std::ostream& operator<<(std::ostream& os, const PropertyDetails& details);
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PROPERTY_DETAILS_H_