Remove tons of OILPAN.

sky/engine/core/animation/KeyframeEffectModel.cpp

Index: sky/engine/core/animation/KeyframeEffectModel.cpp
diff --git a/sky/engine/core/animation/KeyframeEffectModel.cpp b/sky/engine/core/animation/KeyframeEffectModel.cpp
index afaf0767300b71a6a722062fe3fd1c48b0480e19..42d67f06ab6822f51b2591c6f8fc44907029192b 100644
--- a/sky/engine/core/animation/KeyframeEffectModel.cpp
+++ b/sky/engine/core/animation/KeyframeEffectModel.cpp
@@ -174,16 +174,6 @@ bool KeyframeEffectModelBase::isReplaceOnly()
     return true;
 }
 
-void KeyframeEffectModelBase::trace(Visitor* visitor)
-{
-    visitor->trace(m_keyframes);
-    visitor->trace(m_interpolationEffect);
-#if ENABLE_OILPAN
-    visitor->trace(m_keyframeGroups);
-#endif
-    AnimationEffect::trace(visitor);
-}
-
 Keyframe::PropertySpecificKeyframe::PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, AnimationEffect::CompositeOperation composite)
     : m_offset(offset)
     , m_easing(easing)
@@ -225,11 +215,4 @@ void KeyframeEffectModelBase::PropertySpecificKeyframeGroup::addSyntheticKeyfram
         appendKeyframe(m_keyframes.last()->neutralKeyframe(1, nullptr));
 }
 
-void KeyframeEffectModelBase::PropertySpecificKeyframeGroup::trace(Visitor* visitor)
-{
-#if ENABLE(OILPAN)
-    visitor->trace(m_keyframes);
-#endif
-}
-
 } // namespace