Oilpan: Unship CSSValues and AnimatableValues

Source/core/animation/DeferredLegacyStyleInterpolation.cpp

Index: Source/core/animation/DeferredLegacyStyleInterpolation.cpp
diff --git a/Source/core/animation/DeferredLegacyStyleInterpolation.cpp b/Source/core/animation/DeferredLegacyStyleInterpolation.cpp
index b3b39ba2a6f3aa5e205128cdc869b8f7f8e09450..a6244b877f4be29188152ab4229f0c865aa2849a 100644
--- a/Source/core/animation/DeferredLegacyStyleInterpolation.cpp
+++ b/Source/core/animation/DeferredLegacyStyleInterpolation.cpp
@@ -23,8 +23,8 @@ namespace blink {
 void DeferredLegacyStyleInterpolation::apply(StyleResolverState& state) const
 {
     if (m_outdated || !state.element()->elementAnimations() || !state.element()->elementAnimations()->isAnimationStyleChange()) {
-        RefPtrWillBeRawPtr<AnimatableValue> startAnimatableValue;
-        RefPtrWillBeRawPtr<AnimatableValue> endAnimatableValue;
+        RefPtr<AnimatableValue> startAnimatableValue;
+        RefPtr<AnimatableValue> endAnimatableValue;
 
         // Snapshot underlying values for neutral keyframes first because non-neutral keyframes will mutate the StyleResolverState.
         if (!m_endCSSValue) {
@@ -153,8 +153,6 @@ bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const C
 
 DEFINE_TRACE(DeferredLegacyStyleInterpolation)
 {
-    visitor->trace(m_startCSSValue);
-    visitor->trace(m_endCSSValue);
     visitor->trace(m_innerInterpolation);
     StyleInterpolation::trace(visitor);
 }