Revert PropertyCallbackInfo::This() signature change from r21022.

include/v8.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.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 2479 matching lines @@
 
 /**
  * The information passed to a property callback about the context
  * of the property access.
  */
 template<typename T>
 class PropertyCallbackInfo {
  public:
   V8_INLINE Isolate* GetIsolate() const;
   V8_INLINE Local<Value> Data() const;
-  V8_INLINE Local<Value> This() const;
+  V8_INLINE Local<Object> This() const;
   V8_INLINE Local<Object> Holder() const;
   V8_INLINE ReturnValue<T> GetReturnValue() const;
   // This shouldn't be public, but the arm compiler needs it.
   static const int kArgsLength = 6;
 
  protected:
   friend class MacroAssembler;
   friend class internal::PropertyCallbackArguments;
   friend class internal::CustomArguments<PropertyCallbackInfo>;
   static const int kHolderIndex = 0;
@@ skipping 3965 matching lines @@
 }
 
 
 template<typename T>
 Local<Value> PropertyCallbackInfo<T>::Data() const {
   return Local<Value>(reinterpret_cast<Value*>(&args_[kDataIndex]));
 }
 
 
 template<typename T>
-Local<Value> PropertyCallbackInfo<T>::This() const {
-  return Local<Value>(reinterpret_cast<Value*>(&args_[kThisIndex]));
+Local<Object> PropertyCallbackInfo<T>::This() const {
+  return Local<Object>(reinterpret_cast<Object*>(&args_[kThisIndex]));
 }
 
 
 template<typename T>
 Local<Object> PropertyCallbackInfo<T>::Holder() const {
   return Local<Object>(reinterpret_cast<Object*>(&args_[kHolderIndex]));
 }
 
 
 template<typename T>
@@ skipping 120 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_