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

Source/core/animation/ShadowStyleInterpolationTest.cpp

 // 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.
 
 #include "config.h"
 #include "core/animation/ShadowStyleInterpolation.h"
 
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/CSSShadowValue.h"
 #include "core/css/CSSValue.h"
 #include "core/css/resolver/StyleBuilder.h"
 #include "platform/graphics/Color.h"
 
 #include <gtest/gtest.h>
 
 namespace blink {
 
 class AnimationShadowStyleInterpolationTest : public ::testing::Test {
 
 protected:
 
-    static PassOwnPtrWillBeRawPtr<InterpolableValue> shadowToInterpolableValue(const CSSValue& value, bool styleFlag)
+    static InterpolableValue* shadowToInterpolableValue(const CSSValue& value, bool styleFlag)
     {
         return ShadowStyleInterpolation::shadowToInterpolableValue(value, styleFlag);
     }
 
     static PassRefPtrWillBeRawPtr<CSSValue> interpolableValueToShadow(InterpolableValue* value, bool styleFlag)
     {
         return ShadowStyleInterpolation::interpolableValueToShadow(*value, styleFlag);
     }
 
     static PassRefPtrWillBeRawPtr<CSSValue> roundTrip(PassRefPtrWillBeRawPtr<CSSValue> value, bool styleFlag)
     {
-        return interpolableValueToShadow(shadowToInterpolableValue(*value, styleFlag).get(), styleFlag);
+        return interpolableValueToShadow(shadowToInterpolableValue(*value, styleFlag), styleFlag);
     }
 
     static void testPrimitiveValues(RefPtrWillBeRawPtr<CSSValue> value, double xExpected, double yExpected, double blurExpected, double spreadExpected,
         RGBA32 colorExpected, RefPtrWillBeRawPtr<CSSPrimitiveValue> idExpected, CSSPrimitiveValue::UnitType unitType)
     {
         EXPECT_TRUE(value->isShadowValue());
 
         CSSShadowValue& shadowValue = toCSSShadowValue(*value);
 
         EXPECT_EQ(xExpected, shadowValue.x->getDoubleValue());
@@ skipping 51 matching lines @@
     RefPtrWillBeRawPtr<CSSPrimitiveValue> spread = CSSPrimitiveValue::create(40, CSSPrimitiveValue::UnitType::Pixels);
 
     RefPtrWillBeRawPtr<CSSShadowValue> shadowValue = CSSShadowValue::create(x, y, blur, spread, CSSPrimitiveValue::createIdentifier(CSSValueInset), color);
 
     RefPtrWillBeRawPtr<CSSValue> value = roundTrip(shadowValue.release(), true);
 
     testPrimitiveValues(value, 10, 20, 30, 40, makeRGBA(54, 48, 214, 64), CSSPrimitiveValue::createIdentifier(CSSValueInset), CSSPrimitiveValue::UnitType::Pixels);
 }
 
 }