InlinedVisitor: Migrate html to use inlined tracing

Source/core/html/FormDataList.cpp

 /*
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * 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 270 matching lines @@
 
     formData->appendData(encodedData.data(), encodedData.size());
 }
 
 CString FormDataList::encodeAndNormalize(const String& string) const
 {
     CString encodedString = m_encoding.encode(string, WTF::EntitiesForUnencodables);
     return normalizeLineEndingsToCRLF(encodedString);
 }
 
-void FormDataList::trace(Visitor* visitor)
+DEFINE_TRACE(FormDataList)
 {
     visitor->trace(m_items);
 }
 
 
-void FormDataList::Entry::trace(Visitor* visitor)
+DEFINE_TRACE(FormDataList::Entry)
 {
     visitor->trace(m_file);
 }
 
-void FormDataList::Item::trace(Visitor* visitor)
+DEFINE_TRACE(FormDataList::Item)
 {
     visitor->trace(m_blob);
 }
 
 } // namespace blink