[api] Add PropertyDescriptor and DefineProperty().

src/counters.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_COUNTERS_H_
 #define V8_COUNTERS_H_
 
 #include "include/v8.h"
 #include "src/allocation.h"
 #include "src/base/platform/elapsed-timer.h"
@@ skipping 554 matching lines @@
   V(Message_GetEndColumn)                                  \
   V(Message_GetLineNumber)                                 \
   V(Message_GetSourceLine)                                 \
   V(Message_GetStartColumn)                                \
   V(NumberObject_New)                                      \
   V(NumberObject_NumberValue)                              \
   V(Object_CallAsConstructor)                              \
   V(Object_CallAsFunction)                                 \
   V(Object_CreateDataProperty)                             \
   V(Object_DefineOwnProperty)                              \
+  V(Object_DefineProperty)                                 \
   V(Object_Delete)                                         \
   V(Object_DeleteProperty)                                 \
   V(Object_ForceSet)                                       \
   V(Object_Get)                                            \
   V(Object_GetOwnPropertyDescriptor)                       \
   V(Object_GetOwnPropertyNames)                            \
   V(Object_GetPropertyAttributes)                          \
   V(Object_GetPropertyNames)                               \
   V(Object_GetRealNamedProperty)                           \
   V(Object_GetRealNamedPropertyAttributes)                 \
@@ skipping 652 matching lines @@
 
   explicit Counters(Isolate* isolate);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(Counters);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COUNTERS_H_