InlinedVisitor: Migrate animation to use inlined tracing

Source/core/animation/AnimationNodeTiming.cpp

 // 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.
 
 #include "config.h"
 #include "core/animation/AnimationNodeTiming.h"
 
 #include "bindings/core/v8/UnionTypesCore.h"
 #include "core/animation/Animation.h"
 #include "core/animation/AnimationNode.h"
@@ skipping 117 matching lines @@
     m_parent->updateSpecifiedTiming(timing);
 }
 
 void AnimationNodeTiming::setEasing(String easing)
 {
     Timing timing = m_parent->specifiedTiming();
     TimingInput::setTimingFunction(timing, easing);
     m_parent->updateSpecifiedTiming(timing);
 }
 
-void AnimationNodeTiming::trace(Visitor* visitor)
+DEFINE_TRACE(AnimationNodeTiming)
 {
     visitor->trace(m_parent);
 }
 
 } // namespace blink