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

Source/core/animation/ImageSliceStyleInterpolation.cpp

 // Copyright 2015 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.
 
 #include "config.h"
 #include "core/animation/ImageSliceStyleInterpolation.h"
 
 #include "core/css/CSSBorderImageSliceValue.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/Rect.h"
@@ skipping 14 matching lines @@
 namespace {
 
 class Decomposition {
     STACK_ALLOCATED();
 public:
     Decomposition(const CSSBorderImageSliceValue& value)
     {
         decompose(value);
     }
 
-    OwnPtrWillBeMember<InterpolableValue> interpolableValue;
+    Member<InterpolableValue> interpolableValue;
     ImageSliceStyleInterpolation::Metadata metadata;
 
 private:
     void decompose(const CSSBorderImageSliceValue& value)
     {
         const size_t kQuadSides = 4;
-        OwnPtrWillBeRawPtr<InterpolableList> interpolableList = InterpolableList::create(kQuadSides);
+        InterpolableList* interpolableList = InterpolableList::create(kQuadSides);
         const Quad& quad = *value.slices();
         interpolableList->set(0, InterpolableNumber::create(quad.top()->getDoubleValue()));
         interpolableList->set(1, InterpolableNumber::create(quad.right()->getDoubleValue()));
         interpolableList->set(2, InterpolableNumber::create(quad.bottom()->getDoubleValue()));
         interpolableList->set(3, InterpolableNumber::create(quad.left()->getDoubleValue()));
         bool isPercentage = quad.top()->isPercentage();
         ASSERT(quad.bottom()->isPercentage() == isPercentage
             && quad.left()->isPercentage() == isPercentage
             && quad.right()->isPercentage() == isPercentage);
 
-        interpolableValue = interpolableList.release();
+        interpolableValue = interpolableList;
         metadata = ImageSliceStyleInterpolation::Metadata {isPercentage, value.m_fill};
     }
 };
 
 PassRefPtrWillBeRawPtr<CSSBorderImageSliceValue> compose(const InterpolableValue& value, const ImageSliceStyleInterpolation::Metadata& metadata)
 {
     const InterpolableList& interpolableList = toInterpolableList(value);
     CSSPrimitiveValue::UnitType type = metadata.isPercentage ? CSSPrimitiveValue::UnitType::Percentage : CSSPrimitiveValue::UnitType::Number;
     RefPtrWillBeRawPtr<Quad> quad = Quad::create();
     quad->setTop(CSSPrimitiveValue::create(clampTo<double>(toInterpolableNumber(interpolableList.get(0))->value(), 0), type));
     quad->setRight(CSSPrimitiveValue::create(clampTo<double>(toInterpolableNumber(interpolableList.get(1))->value(), 0), type));
     quad->setBottom(CSSPrimitiveValue::create(clampTo<double>(toInterpolableNumber(interpolableList.get(2))->value(), 0), type));
     quad->setLeft(CSSPrimitiveValue::create(clampTo<double>(toInterpolableNumber(interpolableList.get(3))->value(), 0), type));
     return CSSBorderImageSliceValue::create(CSSPrimitiveValue::create(quad.release()), metadata.fill);
 }
 
 } // namespace
 
-PassRefPtrWillBeRawPtr<ImageSliceStyleInterpolation> ImageSliceStyleInterpolation::maybeCreate(const CSSValue& start, const CSSValue& end, CSSPropertyID property)
+ImageSliceStyleInterpolation* ImageSliceStyleInterpolation::maybeCreate(const CSSValue& start, const CSSValue& end, CSSPropertyID property)
 {
     if (!start.isBorderImageSliceValue() || !end.isBorderImageSliceValue())
         return nullptr;
 
     Decomposition startDecompose(toCSSBorderImageSliceValue(start));
     Decomposition endDecompose(toCSSBorderImageSliceValue(end));
     if (!(startDecompose.metadata == endDecompose.metadata))
         return nullptr;
 
-    return adoptRefWillBeNoop(new ImageSliceStyleInterpolation(
-        startDecompose.interpolableValue.release(),
-        endDecompose.interpolableValue.release(),
-        property,
-        startDecompose.metadata
-    ));
+    return new ImageSliceStyleInterpolation(startDecompose.interpolableValue.release(), endDecompose.interpolableValue.release(), property, startDecompose.metadata);
 }
 
 void ImageSliceStyleInterpolation::apply(StyleResolverState& state) const
 {
     StyleBuilder::applyProperty(m_id, state, compose(*m_cachedValue, m_metadata).get());
 }
 
 DEFINE_TRACE(ImageSliceStyleInterpolation)
 {
     StyleInterpolation::trace(visitor);
 }
 
 } // namespace blink