[oilpan] Make the oilpan branch build on Mac.

Source/core/html/HTMLProgressElement.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 25 matching lines @@
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 const double HTMLProgressElement::IndeterminatePosition = -1;
 const double HTMLProgressElement::InvalidPosition = -2;
 
 HTMLProgressElement::HTMLProgressElement(const QualifiedName& tagName, const Handle<Document>& document)
     : LabelableElement(tagName, document)
-    , m_value(0)
 {
     ASSERT(hasTagName(progressTag));
     ScriptWrappable::init(this);
 }
 
 HTMLProgressElement::~HTMLProgressElement()
 {
 }
 
 Result<HTMLProgressElement> HTMLProgressElement::create(const QualifiedName& tagName, const Handle<Document>& document)
@@ skipping 117 matching lines @@
     return !isDeterminate();
 }
 
 void HTMLProgressElement::accept(Visitor* visitor) const
 {
     visitor->visit(m_value);
     LabelableElement::accept(visitor);
 }
 
 } // namespace