InlinedVisitor: Migrate css to use inlined tracing

Source/core/css/Rect.h

 /*
  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 30 matching lines @@
     void setLeft(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> left) { m_left = left; }
 
     bool equals(const RectBase& other) const
     {
         return compareCSSValuePtr(m_top, other.m_top)
             && compareCSSValuePtr(m_right, other.m_right)
             && compareCSSValuePtr(m_left, other.m_left)
             && compareCSSValuePtr(m_bottom, other.m_bottom);
     }
 
-    void trace(Visitor*);
+    DECLARE_TRACE();
 
 protected:
     RectBase() { }
 
 private:
     RefPtrWillBeMember<CSSPrimitiveValue> m_top;
     RefPtrWillBeMember<CSSPrimitiveValue> m_right;
     RefPtrWillBeMember<CSSPrimitiveValue> m_bottom;
     RefPtrWillBeMember<CSSPrimitiveValue> m_left;
 };
@@ skipping 52 matching lines @@
     }
 
     // NOTE: If adding fields to this class please make the RectBase trace
     // method virtual and add a trace method in this subclass tracing the new
     // fields.
 };
 
 } // namespace blink
 
 #endif // Rect_h