Move FieldType to separate h/cc files.

src/property.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_PROPERTY_H_
 #define V8_PROPERTY_H_
 
 #include <iosfwd>
 
 #include "src/factory.h"
 #include "src/field-index.h"
+#include "src/field-type.h"
 #include "src/isolate.h"
-#include "src/types.h"
 
 namespace v8 {
 namespace internal {
 
 // Abstraction for elements in instance-descriptor arrays.
 //
 // Each descriptor has a key, property attributes, property type,
 // property index (in the actual instance-descriptor array) and
 // optionally a piece of data.
 class Descriptor BASE_EMBEDDED {
@@ skipping 80 matching lines @@
                              PropertyAttributes attributes)
       : Descriptor(key, foreign, attributes, ACCESSOR_CONSTANT,
                    Representation::Tagged()) {}
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PROPERTY_H_