Move Animatable* hierarchy into new folder.

Source/core/animation/AnimatableDouble.cpp

Index: Source/core/animation/AnimatableDouble.cpp
diff --git a/Source/core/animation/AnimatableDouble.cpp b/Source/core/animation/AnimatableDouble.cpp
deleted file mode 100644
index b27e515056fc39ff617f8a6ac6796421b02e97de..0000000000000000000000000000000000000000
--- a/Source/core/animation/AnimatableDouble.cpp
+++ /dev/null
@@ -1,65 +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.
- */
-
-#include "config.h"
-#include "core/animation/AnimatableDouble.h"
-
-#include "platform/animation/AnimationUtilities.h"
-#include <math.h>
-
-namespace WebCore {
-
-bool AnimatableDouble::usesDefaultInterpolationWith(const AnimatableValue* value) const
-{
-    const AnimatableDouble* other = toAnimatableDouble(value);
-    return (m_constraint == InterpolationIsNonContinuousWithZero) && (!m_number || !other->m_number);
-}
-
-PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableDouble::interpolateTo(const AnimatableValue* value, double fraction) const
-{
-    const AnimatableDouble* other = toAnimatableDouble(value);
-    ASSERT(m_constraint == other->m_constraint);
-    if ((m_constraint == InterpolationIsNonContinuousWithZero) && (!m_number || !other->m_number))
-        return defaultInterpolateTo(this, value, fraction);
-    return AnimatableDouble::create(blend(m_number, other->m_number, fraction));
-}
-
-bool AnimatableDouble::equalTo(const AnimatableValue* value) const
-{
-    return m_number == toAnimatableDouble(value)->m_number;
-}
-
-double AnimatableDouble::distanceTo(const AnimatableValue* value) const
-{
-    const AnimatableDouble* other = toAnimatableDouble(value);
-    return fabs(m_number - other->m_number);
-}
-
-} // namespace WebCore