Remove CSS clients of ImageResource

sky/engine/core/animation/animatable/AnimatableImage.h

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
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- * in the documentation and/or other materials provided with the
- * distribution.
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- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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- */
-
-#ifndef SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLEIMAGE_H_
-#define SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLEIMAGE_H_
-
-#include "sky/engine/core/animation/animatable/AnimatableValue.h"
-#include "sky/engine/core/css/CSSCrossfadeValue.h"
-#include "sky/engine/core/rendering/style/StyleImage.h"
-
-namespace blink {
-
-class AnimatableImage final : public AnimatableValue {
-public:
-    virtual ~AnimatableImage() { }
-    static PassRefPtr<AnimatableImage> create(PassRefPtr<CSSValue> value)
-    {
-        return adoptRef(new AnimatableImage(value));
-    }
-    CSSValue* toCSSValue() const { return m_value.get(); }
-
-protected:
-    virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const override;
-    virtual bool usesDefaultInterpolationWith(const AnimatableValue*) const override;
-
-private:
-    AnimatableImage(PassRefPtr<CSSValue> value)
-        : m_value(value)
-    {
-        ASSERT(m_value.get());
-    }
-    virtual AnimatableType type() const override { return TypeImage; }
-    virtual bool equalTo(const AnimatableValue*) const override;
-
-    const RefPtr<CSSValue> m_value;
-};
-
-DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableImage, isImage());
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLEIMAGE_H_