InlinedVisitor: Migrate html to use inlined tracing

Source/core/html/shadow/DateTimeFieldElement.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 35 matching lines @@
 DateTimeFieldElement::FieldOwner::~FieldOwner()
 {
 }
 
 DateTimeFieldElement::DateTimeFieldElement(Document& document, FieldOwner& fieldOwner)
     : HTMLSpanElement(document)
     , m_fieldOwner(&fieldOwner)
 {
 }
 
-void DateTimeFieldElement::trace(Visitor* visitor)
+DEFINE_TRACE(DateTimeFieldElement)
 {
     visitor->trace(m_fieldOwner);
     HTMLSpanElement::trace(visitor);
 }
 
 void DateTimeFieldElement::defaultEventHandler(Event* event)
 {
     if (event->isKeyboardEvent()) {
         KeyboardEvent* keyboardEvent = toKeyboardEvent(event);
         if (!isDisabled() && !isFieldOwnerDisabled() && !isFieldOwnerReadOnly()) {
@@ skipping 166 matching lines @@
 }
 
 int DateTimeFieldElement::valueForARIAValueNow() const
 {
     return valueAsInteger();
 }
 
 } // namespace blink
 
 #endif