InlinedVisitor: Migrate dom to use inlined tracing

Source/core/dom/ClientRect.h

 /*
  * Copyright (C) 2009 Apple 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 42 matching lines @@
         return adoptRefWillBeNoop(new ClientRect(rect));
     }
 
     float top() const { return m_rect.y(); }
     float right() const { return m_rect.maxX(); }
     float bottom() const { return m_rect.maxY(); }
     float left() const { return m_rect.x(); }
     float width() const { return m_rect.width(); }
     float height() const { return m_rect.height(); }
 
-    void trace(Visitor*) { }
+    DEFINE_INLINE_TRACE() { }
 
 private:
     ClientRect();
     explicit ClientRect(const IntRect&);
     explicit ClientRect(const FloatRect&);
 
     FloatRect m_rect;
 };
 
 } // namespace blink
 
 #endif // ClientRect_h