InlinedVisitor: Migrate html to use inlined tracing

Source/core/html/ime/InputMethodContext.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 168 matching lines @@
 void InputMethodContext::dispatchCandidateWindowUpdateEvent()
 {
     dispatchEvent(Event::create(EventTypeNames::candidatewindowupdate));
 }
 
 void InputMethodContext::dispatchCandidateWindowHideEvent()
 {
     dispatchEvent(Event::create(EventTypeNames::candidatewindowhide));
 }
 
-void InputMethodContext::trace(Visitor* visitor)
+DEFINE_TRACE(InputMethodContext)
 {
     visitor->trace(m_element);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink