InlinedVisitor: Migrate animation to use inlined tracing

Source/core/animation/animatable/AnimatableSVGLength.h

 /*
  * 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 32 matching lines @@
     static PassRefPtrWillBeRawPtr<AnimatableSVGLength> create(PassRefPtrWillBeRawPtr<SVGLength> length)
     {
         return adoptRefWillBeNoop(new AnimatableSVGLength(length));
     }
 
     SVGLength* toSVGLength() const
     {
         return m_length.get();
     }
 
-    virtual void trace(Visitor*) override;
+    DECLARE_VIRTUAL_TRACE();
 
 protected:
     virtual bool usesDefaultInterpolationWith(const AnimatableValue*) const override;
     virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const override;
 
 private:
     explicit AnimatableSVGLength(PassRefPtrWillBeRawPtr<SVGLength> length)
         : m_length(length)
     {
     }
 
     virtual AnimatableType type() const override { return TypeSVGLength; }
     virtual bool equalTo(const AnimatableValue*) const override;
 
     RefPtrWillBeMember<SVGLength> m_length;
 };
 
 DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableSVGLength, isSVGLength());
 
 } // namespace blink
 
 #endif // AnimatableSVGLength_h