InlinedVisitor: Migrate dom to use inlined tracing

Source/core/dom/StyleSheetCollection.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 47 matching lines @@
 void StyleSheetCollection::appendActiveStyleSheet(CSSStyleSheet* sheet)
 {
     m_activeAuthorStyleSheets.append(sheet);
 }
 
 void StyleSheetCollection::appendSheetForList(StyleSheet* sheet)
 {
     m_styleSheetsForStyleSheetList.append(sheet);
 }
 
-void StyleSheetCollection::trace(Visitor* visitor)
+DEFINE_TRACE(StyleSheetCollection)
 {
     visitor->trace(m_activeAuthorStyleSheets);
     visitor->trace(m_styleSheetsForStyleSheetList);
 }
 
 }