InlinedVisitor: Migrate animation to use inlined tracing

Source/core/animation/InterpolationEffect.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef InterpolationEffect_h
 #define InterpolationEffect_h
 
 #include "core/animation/Interpolation.h"
 #include "core/animation/Keyframe.h"
 #include "platform/RuntimeEnabledFeatures.h"
@@ skipping 19 matching lines @@
 
     void addInterpolationsFromKeyframes(CSSPropertyID, Element*, Keyframe::PropertySpecificKeyframe& keyframeA, Keyframe::PropertySpecificKeyframe& keyframeB, double applyFrom, double applyTo);
 
     template<typename T>
     inline void forEachInterpolation(const T& callback)
     {
         for (auto& record : m_interpolations)
             callback(*record->m_interpolation);
     }
 
-    void trace(Visitor*);
+    DECLARE_TRACE();
 
 private:
     InterpolationEffect()
     {
     }
 
     class InterpolationRecord : public NoBaseWillBeGarbageCollectedFinalized<InterpolationRecord> {
     public:
         RefPtrWillBeMember<Interpolation> m_interpolation;
         RefPtr<TimingFunction> m_easing;
         double m_start;
         double m_end;
         double m_applyFrom;
         double m_applyTo;
 
         static PassOwnPtrWillBeRawPtr<InterpolationRecord> create(PassRefPtrWillBeRawPtr<Interpolation> interpolation, PassRefPtr<TimingFunction> easing, double start, double end, double applyFrom, double applyTo)
         {
             return adoptPtrWillBeNoop(new InterpolationRecord(interpolation, easing, start, end, applyFrom, applyTo));
         }
 
-        void trace(Visitor*);
+        DECLARE_TRACE();
 
     private:
         InterpolationRecord(PassRefPtrWillBeRawPtr<Interpolation> interpolation, PassRefPtr<TimingFunction> easing, double start, double end, double applyFrom, double applyTo)
             : m_interpolation(interpolation)
             , m_easing(easing)
             , m_start(start)
             , m_end(end)
             , m_applyFrom(applyFrom)
             , m_applyTo(applyTo)
         {
         }
     };
 
     WillBeHeapVector<OwnPtrWillBeMember<InterpolationRecord> > m_interpolations;
 };
 
 } // namespace blink
 
 #endif // InterpolationEffect_h