[runtime] Cleanup DescriptorArray interface, remove more PropertyType usages.

src/property-descriptor.cc

 // Copyright 2011 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/property-descriptor.h"
 
 #include "src/bootstrapper.h"
 #include "src/factory.h"
 #include "src/isolate-inl.h"
 #include "src/lookup.h"
@@ skipping 57 matching lines @@
                                          FieldIndex::ForDescriptor(map, i));
       } else {
         DCHECK_EQ(kAccessor, details.kind());
         // Bail out to slow path.
         return false;
       }
 
     } else {
       DCHECK_EQ(kDescriptor, details.location());
       if (details.kind() == kData) {
-        value = handle(descs->GetConstant(i), isolate);
+        value = handle(descs->GetValue(i), isolate);
       } else {
         DCHECK_EQ(kAccessor, details.kind());
         // Bail out to slow path.
         return false;
       }
     }
     Heap* heap = isolate->heap();
     if (key == heap->enumerable_string()) {
       desc->set_enumerable(value->BooleanValue());
     } else if (key == heap->configurable_string()) {
@@ skipping 247 matching lines @@
   //    Desc.[[Enumerable]] to like.[[Enumerable]].
   if (!desc->has_enumerable()) desc->set_enumerable(false);
   // 7. If Desc does not have a [[Configurable]] field, set
   //    Desc.[[Configurable]] to like.[[Configurable]].
   if (!desc->has_configurable()) desc->set_configurable(false);
   // 8. Return Desc.
 }
 
 }  // namespace internal
 }  // namespace v8