Attempt to speed up v8::Object::SetPrivate

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 9760 matching lines @@
   static const int kHashOffset = kHandlerOffset + kPointerSize;
   static const int kSize = kHashOffset + kPointerSize;
 
   typedef FixedBodyDescriptor<JSReceiver::kPropertiesOffset, kSize, kSize>
       BodyDescriptor;
 
   MUST_USE_RESULT Object* GetIdentityHash();
 
   static Handle<Smi> GetOrCreateIdentityHash(Handle<JSProxy> proxy);
 
- private:
-  static Maybe<bool> AddPrivateProperty(Isolate* isolate, Handle<JSProxy> proxy,
+  static Maybe<bool> SetPrivateProperty(Isolate* isolate, Handle<JSProxy> proxy,
                                         Handle<Symbol> private_name,
                                         PropertyDescriptor* desc,
                                         ShouldThrow should_throw);
 
+ private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSProxy);
 };
 
 
 class JSCollection : public JSObject {
  public:
   // [table]: the backing hash table
   DECL_ACCESSORS(table, Object)
 
   static const int kTableOffset = JSObject::kHeaderSize;
@@ skipping 1040 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_