[oilpan] The Node hierarchy should have correct accept method chains

Source/core/html/HTMLMeterElement.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 231 matching lines @@
     m_value->setWidthPercentage(0);
     m_value->updatePseudo();
     bar->appendChild(m_value, ASSERT_NO_EXCEPTION);
 
     inner->appendChild(bar, ASSERT_NO_EXCEPTION);
 }
 
 void HTMLMeterElement::acceptHeapVisitor(Visitor* visitor) const
 {
     visitor->visit(m_value);
-    HTMLElement::acceptHeapVisitor(visitor);
+    LabelableElement::acceptHeapVisitor(visitor);

[Mads Ager (chromium), 2013/07/25 13:35:12]

Good catch. :)

 }
 
 } // namespace