InlinedVisitor: Migrate animation to use inlined tracing

Source/core/animation/AnimationTimeline.cpp

Index: Source/core/animation/AnimationTimeline.cpp
diff --git a/Source/core/animation/AnimationTimeline.cpp b/Source/core/animation/AnimationTimeline.cpp
index 5eada49a86ca98f3cc0ba7a9a8b8aafa5cc9018d..e5b0b5cd0bbe2c92bbac653e90e101bc5292753f 100644
--- a/Source/core/animation/AnimationTimeline.cpp
+++ b/Source/core/animation/AnimationTimeline.cpp
@@ -175,7 +175,7 @@ void AnimationTimeline::AnimationTimelineTiming::serviceOnNextFrame()
         m_timeline->m_document->view()->scheduleAnimation();
 }
 
-void AnimationTimeline::AnimationTimelineTiming::trace(Visitor* visitor)
+DEFINE_TRACE(AnimationTimeline::AnimationTimelineTiming)
 {
     visitor->trace(m_timeline);
     AnimationTimeline::PlatformTiming::trace(visitor);
@@ -308,7 +308,7 @@ void AnimationTimeline::detachFromDocument()
 }
 #endif
 
-void AnimationTimeline::trace(Visitor* visitor)
+DEFINE_TRACE(AnimationTimeline)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_document);