Move Animatable* hierarchy into new folder.

Source/core/animation/AnimatableValueKeyframe.cpp

-// Copyright 2014 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/AnimatableValueKeyframe.h"
-
-#include "core/animation/interpolation/LegacyStyleInterpolation.h"
-
-namespace WebCore {
-
-AnimatableValueKeyframe::AnimatableValueKeyframe(const AnimatableValueKeyframe& copyFrom)
-    : Keyframe(copyFrom.m_offset, copyFrom.m_composite, copyFrom.m_easing)
-{
-    for (PropertyValueMap::const_iterator iter = copyFrom.m_propertyValues.begin(); iter != copyFrom.m_propertyValues.end(); ++iter)
-        setPropertyValue(iter->key, iter->value.get());
-}
-
-PropertySet AnimatableValueKeyframe::properties() const
-{
-    // This is not used in time-critical code, so we probably don't need to
-    // worry about caching this result.
-    PropertySet properties;
-    for (PropertyValueMap::const_iterator iter = m_propertyValues.begin(); iter != m_propertyValues.end(); ++iter)
-        properties.add(*iter.keys());
-    return properties;
-}
-
-PassRefPtrWillBeRawPtr<Keyframe> AnimatableValueKeyframe::clone() const
-{
-    return adoptRefWillBeNoop(new AnimatableValueKeyframe(*this));
-}
-
-PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> AnimatableValueKeyframe::createPropertySpecificKeyframe(CSSPropertyID property) const
-{
-    return adoptPtrWillBeNoop(new PropertySpecificKeyframe(offset(), easing(), propertyValue(property), composite()));
-}
-
-void AnimatableValueKeyframe::trace(Visitor* visitor)
-{
-    visitor->trace(m_propertyValues);
-    Keyframe::trace(visitor);
-}
-
-AnimatableValueKeyframe::PropertySpecificKeyframe::PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, const AnimatableValue* value, AnimationEffect::CompositeOperation op)
-    : Keyframe::PropertySpecificKeyframe(offset, easing, op)
-    , m_value(const_cast<AnimatableValue*>(value))
-{ }
-
-AnimatableValueKeyframe::PropertySpecificKeyframe::PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, PassRefPtrWillBeRawPtr<AnimatableValue> value)
-    : Keyframe::PropertySpecificKeyframe(offset, easing, AnimationEffect::CompositeReplace)
-    , m_value(value)
-{
-    ASSERT(!isNull(m_offset));
-}
-
-PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> AnimatableValueKeyframe::PropertySpecificKeyframe::cloneWithOffset(double offset) const
-{
-    Keyframe::PropertySpecificKeyframe* theClone = new PropertySpecificKeyframe(offset, m_easing, m_value);
-    return adoptPtrWillBeNoop(theClone);
-}
-
-PassRefPtrWillBeRawPtr<Interpolation> AnimatableValueKeyframe::PropertySpecificKeyframe::createInterpolation(CSSPropertyID property, Keyframe::PropertySpecificKeyframe* end, Element*) const
-{
-    AnimatableValuePropertySpecificKeyframe* to = toAnimatableValuePropertySpecificKeyframe(end);
-    return LegacyStyleInterpolation::create(value(), to->value(), property);
-}
-
-PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> AnimatableValueKeyframe::PropertySpecificKeyframe::neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const
-{
-    return adoptPtrWillBeNoop(new AnimatableValueKeyframe::PropertySpecificKeyframe(offset, easing, AnimatableValue::neutralValue(), AnimationEffect::CompositeAdd));
-}
-
-void AnimatableValueKeyframe::PropertySpecificKeyframe::trace(Visitor* visitor)
-{
-    visitor->trace(m_value);
-    Keyframe::PropertySpecificKeyframe::trace(visitor);
-}
-
-}