InlinedVisitor: Migrate html to use inlined tracing

Source/core/html/shadow/SpinButtonElement.h

 /*
  * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 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
@@ skipping 52 matching lines @@
     void releaseCapture(EventDispatch = EventDispatchAllowed);
     void removeSpinButtonOwner() { m_spinButtonOwner = nullptr; }
 
     void step(int amount);
 
     virtual bool willRespondToMouseMoveEvents() override;
     virtual bool willRespondToMouseClickEvents() override;
 
     void forwardEvent(Event*);
 
-    virtual void trace(Visitor*) override;
+    DECLARE_VIRTUAL_TRACE();
 
 private:
     SpinButtonElement(Document&, SpinButtonOwner&);
 
     virtual void detach(const AttachContext&) override;
     virtual bool isSpinButtonElement() const override { return true; }
     virtual bool isDisabledFormControl() const override { return shadowHost() && shadowHost()->isDisabledFormControl(); }
     virtual bool matchesReadOnlyPseudoClass() const override;
     virtual bool matchesReadWritePseudoClass() const override;
     virtual void defaultEventHandler(Event*) override;
@@ skipping 11 matching lines @@
     UpDownState m_upDownState;
     UpDownState m_pressStartingState;
     Timer<SpinButtonElement> m_repeatingTimer;
 };
 
 DEFINE_TYPE_CASTS(SpinButtonElement, Node, node, toElement(node)->isSpinButtonElement(), toElement(node).isSpinButtonElement());
 
 } // namespace
 
 #endif