Move Animatable* hierarchy into new folder.

Source/core/animation/AnimatableImage.h

Index: Source/core/animation/AnimatableImage.h
diff --git a/Source/core/animation/AnimatableImage.h b/Source/core/animation/AnimatableImage.h
deleted file mode 100644
index e76b6196e8c94fb92c2202040a01e923f1c634a0..0000000000000000000000000000000000000000
--- a/Source/core/animation/AnimatableImage.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * 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
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef AnimatableImage_h
-#define AnimatableImage_h
-
-#include "core/animation/AnimatableValue.h"
-#include "core/css/CSSCrossfadeValue.h"
-#include "core/rendering/style/StyleImage.h"
-
-namespace WebCore {
-
-class AnimatableImage FINAL : public AnimatableValue {
-public:
-    virtual ~AnimatableImage() { }
-    static PassRefPtrWillBeRawPtr<AnimatableImage> create(PassRefPtrWillBeRawPtr<CSSValue> value)
-    {
-        return adoptRefWillBeNoop(new AnimatableImage(value));
-    }
-    CSSValue* toCSSValue() const { return m_value.get(); }
-
-    virtual void trace(Visitor* visitor) OVERRIDE
-    {
-        visitor->trace(m_value);
-        AnimatableValue::trace(visitor);
-    }
-
-protected:
-    virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
-    virtual bool usesDefaultInterpolationWith(const AnimatableValue*) const OVERRIDE;
-
-private:
-    AnimatableImage(PassRefPtrWillBeRawPtr<CSSValue> value)
-        : m_value(value)
-    {
-        ASSERT(m_value.get());
-    }
-    virtual AnimatableType type() const OVERRIDE { return TypeImage; }
-    virtual bool equalTo(const AnimatableValue*) const OVERRIDE;
-
-    const RefPtrWillBeMember<CSSValue> m_value;
-};
-
-DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableImage, isImage());
-
-} // namespace WebCore
-
-#endif // AnimatableImage_h