Move Animatable* hierarchy into new folder.

Source/core/animation/AnimatableValue.cpp

Index: Source/core/animation/AnimatableValue.cpp
diff --git a/Source/core/animation/AnimatableValue.cpp b/Source/core/animation/AnimatableValue.cpp
deleted file mode 100644
index af0aec9ac4ae8d678f1e629ea43845778084e404..0000000000000000000000000000000000000000
--- a/Source/core/animation/AnimatableValue.cpp
+++ /dev/null
@@ -1,80 +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/AnimatableValue.h"
-#include "core/animation/AnimatableNeutral.h"
-#include "wtf/StdLibExtras.h"
-#include <algorithm>
-
-namespace {
-
-const double defaultDistance = 1;
-
-} // namespace
-
-namespace WebCore {
-
-const AnimatableValue* AnimatableValue::neutralValue()
-{
-    DEFINE_STATIC_REF_WILL_BE_PERSISTENT(AnimatableNeutral, neutralSentinelValue, (AnimatableNeutral::create()));
-    return neutralSentinelValue;
-}
-
-PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableValue::interpolate(const AnimatableValue* left, const AnimatableValue* right, double fraction)
-{
-    ASSERT(left);
-    ASSERT(right);
-    ASSERT(!left->isNeutral());
-    ASSERT(!right->isNeutral());
-
-    if (fraction && fraction != 1 && left->isSameType(right))
-        return left->interpolateTo(right, fraction);
-
-    return defaultInterpolateTo(left, right, fraction);
-}
-
-double AnimatableValue::distance(const AnimatableValue* left, const AnimatableValue* right)
-{
-    ASSERT(left);
-    ASSERT(right);
-
-    if (left->isSameType(right))
-        return left->distanceTo(right);
-
-    return defaultDistance;
-}
-
-double AnimatableValue::distanceTo(const AnimatableValue*) const
-{
-    return defaultDistance;
-}
-
-} // namespace WebCore