CSSValue Immediates: Change CSSValue to an object instead of a pointer

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 71 matching lines @@
     return adoptRefWillBeNoop(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());
+    StyleBuilder::applyProperty(m_id, state, *compose(*m_cachedValue, m_metadata));
 }
 
 DEFINE_TRACE(ImageSliceStyleInterpolation)
 {
     StyleInterpolation::trace(visitor);
 }
 
 } // namespace blink