bindings: Use CreateDataProperty() instead of ForceSet()

Source/bindings/core/v8/V8ObjectBuilder.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "bindings/core/v8/V8ObjectBuilder.h"
 
 #include "bindings/core/v8/V8Binding.h"
 
 namespace blink {
@@ skipping 36 matching lines @@
 
 ScriptValue V8ObjectBuilder::scriptValue() const
 {
     return ScriptValue(m_scriptState.get(), m_object);
 }
 
 void V8ObjectBuilder::addInternal(const String& name, v8::Local<v8::Value> value)
 {
     if (m_object.IsEmpty())
         return;
-    if (value.IsEmpty() || m_object->ForceSet(m_scriptState->context(), v8String(m_scriptState->isolate(), name), value).IsNothing())
+    if (value.IsEmpty() || m_object->CreateDataProperty(m_scriptState->context(), v8String(m_scriptState->isolate(), name), value).IsNothing())
         m_object.Clear();
 }
 
 } // namespace blink