InlinedVisitor: Migrate html to use inlined tracing

Source/core/html/track/vtt/VTTCue.cpp

 /*
  * Copyright (c) 2013, Opera Software ASA. 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 193 matching lines @@
 
         setInlineStyleProperty(CSSPropertyWhiteSpace, CSSValuePre);
     }
 }
 
 LayoutObject* VTTCueBox::createRenderer(const LayoutStyle&)
 {
     return new RenderVTTCue(this);
 }
 
-void VTTCueBox::trace(Visitor* visitor)
+DEFINE_TRACE(VTTCueBox)
 {
     visitor->trace(m_cue);
     HTMLDivElement::trace(visitor);
 }
 
 VTTCue::VTTCue(Document& document, double startTime, double endTime, const String& text)
     : TextTrackCue(startTime, endTime)
     , m_text(text)
     , m_linePosition(std::numeric_limits<float>::quiet_NaN())
     , m_textPosition(std::numeric_limits<float>::quiet_NaN())
@@ skipping 894 matching lines @@
     ASSERT(m_cueBackgroundBox);
     return m_cueBackgroundBox->executionContext();
 }
 
 Document& VTTCue::document() const
 {
     ASSERT(m_cueBackgroundBox);
     return m_cueBackgroundBox->document();
 }
 
-void VTTCue::trace(Visitor* visitor)
+DEFINE_TRACE(VTTCue)
 {
     visitor->trace(m_vttNodeTree);
     visitor->trace(m_cueBackgroundBox);
     visitor->trace(m_displayTree);
     TextTrackCue::trace(visitor);
 }
 
 } // namespace blink