Key external array map transitions on ElementsKind instead of ExternalArrayType

src/property.h

Index: src/property.h
diff --git a/src/property.h b/src/property.h
index ddecc92198cdd3f502222428e36234fccaac189a..e7d9fc53453f1e527c7d802a2f554776de798f6c 100644
--- a/src/property.h
+++ b/src/property.h
@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2011 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:
@@ -112,14 +112,14 @@ class MapTransitionDescriptor: public Descriptor {
       : Descriptor(key, map, attributes, MAP_TRANSITION) { }
 };
 
-class ExternalArrayTransitionDescriptor: public Descriptor {
+class ElementsTransitionDescriptor: public Descriptor {
  public:
-  ExternalArrayTransitionDescriptor(String* key,
-                                    Map* map,
-                                    ExternalArrayType array_type)
+  ElementsTransitionDescriptor(String* key,
+                               Map* map,
+                               ElementsKind elements_kind)
       : Descriptor(key, map, PropertyDetails(NONE,
-                                             EXTERNAL_ARRAY_TRANSITION,
-                                             array_type)) { }
+                                             ELEMENTS_TRANSITION,
+                                             elements_kind)) { }
 };
 
 // Marks a field name in a map so that adding the field is guaranteed
@@ -281,7 +281,7 @@ class LookupResult BASE_EMBEDDED {
   Map* GetTransitionMap() {
     ASSERT(lookup_type_ == DESCRIPTOR_TYPE);
     ASSERT(type() == MAP_TRANSITION || type() == CONSTANT_TRANSITION ||
-           type() == EXTERNAL_ARRAY_TRANSITION);
+           type() == ELEMENTS_TRANSITION);
     return Map::cast(GetValue());
   }