InlinedVisitor: Migrate animation to use inlined tracing

Source/core/animation/AnimationTimelineTest.cpp

 /*
  * 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 60 matching lines @@
         EXPECT_CALL(*this, serviceOnNextFrame()).InSequence(sequence);
     }
 
     void expectDelayedAction(double when)
     {
         ::testing::Sequence sequence;
         EXPECT_CALL(*this, cancelWake()).InSequence(sequence);
         EXPECT_CALL(*this, wakeAfter(when)).InSequence(sequence);
     }
 
-    void trace(Visitor* visitor)
+    DEFINE_INLINE_TRACE()
     {
         AnimationTimeline::PlatformTiming::trace(visitor);
     }
 };
 
 class AnimationAnimationTimelineTest : public ::testing::Test {
 protected:
     virtual void SetUp()
     {
         document = Document::create();
@@ skipping 303 matching lines @@
 
 TEST_F(AnimationAnimationTimelineTest, UseAnimationPlayerAfterTimelineDeref)
 {
     RefPtrWillBeRawPtr<AnimationPlayer> player = timeline->play(0);
     timeline.clear();
     // Test passes if this does not crash.
     player->setStartTime(0);
 }
 
 }