Remove custom left overs from object grouping

third_party/WebKit/Source/bindings/core/v8/ScriptPromise.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 68 matching lines @@
   ScriptValue getScriptValue() const { return m_promise; }
 
   v8::Local<v8::Value> v8Value() const { return m_promise.v8Value(); }
 
   v8::Isolate* isolate() const { return m_promise.isolate(); }
 
   bool isEmpty() const { return m_promise.isEmpty(); }
 
   void clear() { m_promise.clear(); }
 
-  void setReference(const v8::Persistent<v8::Object>& parent,
-                    v8::Isolate* isolate) {
-    m_promise.setReference(parent, isolate);
-  }
-
   bool operator==(const ScriptPromise& value) const {
     return m_promise == value.m_promise;
   }
 
   bool operator!=(const ScriptPromise& value) const {
     return !operator==(value);
   }
 
   // Constructs and returns a ScriptPromise from |value|.
   // if |value| is not a Promise object, returns a Promise object
@@ skipping 38 matching lines @@
   static void increaseInstanceCount();
   static void decreaseInstanceCount();
 
   RefPtr<ScriptState> m_scriptState;
   ScriptValue m_promise;
 };
 
 }  // namespace blink
 
 #endif  // ScriptPromise_h