[Oilpan] Migrate most classes under core/animations to Oilpan heap.

Source/core/animation/DeferredLegacyStyleInterpolation.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef DeferredLegacyStyleInterpolation_h
 #define DeferredLegacyStyleInterpolation_h
 
 #include "core/CoreExport.h"
 #include "core/animation/LegacyStyleInterpolation.h"
 #include "core/animation/StyleInterpolation.h"
 #include "core/css/CSSValue.h"
 
 namespace blink {
 
 class CSSBasicShape;
 class CSSImageValue;
 class CSSPrimitiveValue;
 class CSSShadowValue;
 class CSSSVGDocumentValue;
 class CSSValueList;
 
 class CORE_EXPORT DeferredLegacyStyleInterpolation : public StyleInterpolation {
 public:
-    static PassRefPtrWillBeRawPtr<DeferredLegacyStyleInterpolation> create(PassRefPtrWillBeRawPtr<CSSValue> start, PassRefPtrWillBeRawPtr<CSSValue> end, CSSPropertyID id)
+    static DeferredLegacyStyleInterpolation* create(PassRefPtrWillBeRawPtr<CSSValue> start, PassRefPtrWillBeRawPtr<CSSValue> end, CSSPropertyID id)
     {
-        return adoptRefWillBeNoop(new DeferredLegacyStyleInterpolation(start, end, id));
+        return new DeferredLegacyStyleInterpolation(start, end, id);
     }
 
     void apply(StyleResolverState&) const override;
 
     DECLARE_VIRTUAL_TRACE();
 
     static bool interpolationRequiresStyleResolve(const CSSValue&);
     static bool interpolationRequiresStyleResolve(const CSSPrimitiveValue&);
     static bool interpolationRequiresStyleResolve(const CSSImageValue&);
     static bool interpolationRequiresStyleResolve(const CSSShadowValue&);
     static bool interpolationRequiresStyleResolve(const CSSSVGDocumentValue&);
     static bool interpolationRequiresStyleResolve(const CSSValueList&);
     static bool interpolationRequiresStyleResolve(const CSSBasicShape&);
 
     void underlyingStyleChanged() { m_outdated = true; }
 
     bool isDeferredLegacyStyleInterpolation() const final { return true; }
 
 private:
     DeferredLegacyStyleInterpolation(PassRefPtrWillBeRawPtr<CSSValue> start, PassRefPtrWillBeRawPtr<CSSValue> end, CSSPropertyID id)
         : StyleInterpolation(InterpolableNumber::create(0), InterpolableNumber::create(1), id)
         , m_startCSSValue(start)
         , m_endCSSValue(end)
         , m_outdated(true)
     {
     }
 
     RefPtrWillBeMember<CSSValue> m_startCSSValue;
     RefPtrWillBeMember<CSSValue> m_endCSSValue;
-    mutable RefPtrWillBeMember<LegacyStyleInterpolation> m_innerInterpolation;
+    mutable Member<LegacyStyleInterpolation> m_innerInterpolation;
     mutable bool m_outdated;
 };
 
 DEFINE_TYPE_CASTS(DeferredLegacyStyleInterpolation, StyleInterpolation, value, value->isDeferredLegacyStyleInterpolation(), value.isDeferredLegacyStyleInterpolation());
 
 }
 
 #endif