[runtime] Use PropertyKind/PropertyLocation instead of PropertyType.

src/layout-descriptor-inl.h

 // 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.
 
 #ifndef V8_LAYOUT_DESCRIPTOR_INL_H_
 #define V8_LAYOUT_DESCRIPTOR_INL_H_
 
 #include "src/layout-descriptor.h"
 
 namespace v8 {
@@ skipping 10 matching lines @@
     return handle(LayoutDescriptor::FromSmi(Smi::kZero), isolate);
   }
   length = GetSlowModeBackingStoreLength(length);
   return Handle<LayoutDescriptor>::cast(isolate->factory()->NewFixedTypedArray(
       length, kExternalUint32Array, true));
 }
 
 
 bool LayoutDescriptor::InobjectUnboxedField(int inobject_properties,
                                             PropertyDetails details) {
-  if (details.type() != DATA || !details.representation().IsDouble()) {
+  if (details.location() != kField || !details.representation().IsDouble()) {
     return false;
   }
   // We care only about in-object properties.
   return details.field_index() < inobject_properties;
 }
 
 
 LayoutDescriptor* LayoutDescriptor::FastPointerLayout() {
   return LayoutDescriptor::FromSmi(Smi::kZero);
 }
@@ skipping 205 matching lines @@
   // Object headers do not contain non-tagged fields.
   if (offset_in_bytes < header_size_) return true;
   int field_index = (offset_in_bytes - header_size_) / kPointerSize;
 
   return layout_descriptor_->IsTagged(field_index);
 }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_LAYOUT_DESCRIPTOR_INL_H_