Oilpan: Move AnimatableValue's hierarchy to oilpan's heap

Source/core/animation/KeyframeEffectModel.cpp

Index: Source/core/animation/KeyframeEffectModel.cpp
diff --git a/Source/core/animation/KeyframeEffectModel.cpp b/Source/core/animation/KeyframeEffectModel.cpp
index 595c0d1af287597077ffe04aa573eb678e58ce29..2e89b5b1ccf5dd8df8346520df22ebf379fba5ec 100644
--- a/Source/core/animation/KeyframeEffectModel.cpp
+++ b/Source/core/animation/KeyframeEffectModel.cpp
@@ -91,6 +91,11 @@ PassRefPtrWillBeRawPtr<Keyframe> Keyframe::cloneWithOffset(double offset) const
     return theClone.release();
 }
 
+void Keyframe::trace(Visitor* visitor)
+{
+    visitor->trace(m_propertyValues);
+}
+
 KeyframeEffectModel::KeyframeEffectModel(const KeyframeVector& keyframes)
     : m_keyframes(keyframes)
 {
@@ -267,7 +272,7 @@ KeyframeEffectModel::PropertySpecificKeyframe::PropertySpecificKeyframe(double o
     m_value = AnimatableValue::takeConstRef(value);
 }
 
-KeyframeEffectModel::PropertySpecificKeyframe::PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, PassRefPtr<AnimatableValue> value, CompositeOperation composite)
+KeyframeEffectModel::PropertySpecificKeyframe::PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, PassRefPtrWillBeRawPtr<AnimatableValue> value, CompositeOperation composite)
     : m_offset(offset)
     , m_easing(easing)
     , m_value(value)
@@ -278,7 +283,7 @@ KeyframeEffectModel::PropertySpecificKeyframe::PropertySpecificKeyframe(double o
 
 PassOwnPtr<KeyframeEffectModel::PropertySpecificKeyframe> KeyframeEffectModel::PropertySpecificKeyframe::cloneWithOffset(double offset) const
 {
-    return adoptPtr(new PropertySpecificKeyframe(offset, m_easing, m_value, m_composite));
+    return adoptPtr(new PropertySpecificKeyframe(offset, m_easing, m_value.get(), m_composite));
 }