Revert "Web Animations: Introduce String based KeyframeEffectModel"

Source/core/animation/Keyframe.h

Index: Source/core/animation/Keyframe.h
diff --git a/Source/core/animation/Keyframe.h b/Source/core/animation/Keyframe.h
deleted file mode 100644
index d4820a4f84136dbe3109f39886b1a1ec840cbb90..0000000000000000000000000000000000000000
--- a/Source/core/animation/Keyframe.h
+++ /dev/null
@@ -1,94 +0,0 @@
-// 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.
-
-#ifndef Keyframe_h
-#define Keyframe_h
-
-#include "CSSPropertyNames.h"
-#include "core/animation/AnimationEffect.h"
-#include "core/animation/TimedItem.h"
-
-namespace WebCore {
-
-typedef HashSet<CSSPropertyID> PropertySet;
-
-// FIXME: Make Keyframe immutable
-class Keyframe : public RefCountedWillBeGarbageCollectedFinalized<Keyframe> {
-public:
-    virtual ~Keyframe() { }
-
-    void setOffset(double offset) { m_offset = offset; }
-    double offset() const { return m_offset; }
-
-    void setComposite(AnimationEffect::CompositeOperation composite) { m_composite = composite; }
-    AnimationEffect::CompositeOperation composite() const { return m_composite; }
-
-    void setEasing(PassRefPtr<TimingFunction> easing) { m_easing = easing; }
-    TimingFunction* easing() const { return m_easing.get(); }
-
-    static bool compareOffsets(const RefPtrWillBeRawPtr<Keyframe>&, const RefPtrWillBeRawPtr<Keyframe>&);
-    virtual PropertySet properties() const = 0;
-
-    virtual PassRefPtrWillBeRawPtr<Keyframe> clone() const = 0;
-    PassRefPtrWillBeRawPtr<Keyframe> cloneWithOffset(double offset) const
-    {
-        RefPtrWillBeRawPtr<Keyframe> theClone = clone();
-        theClone->setOffset(offset);
-        return theClone.release();
-    }
-
-    virtual bool isAnimatableValueKeyframe() const { return false; }
-    virtual bool isStringKeyframe() const { return false; }
-
-    void trace(Visitor*) { }
-
-    class PropertySpecificKeyframe : public NoBaseWillBeGarbageCollectedFinalized<PropertySpecificKeyframe> {
-    public:
-        virtual ~PropertySpecificKeyframe() { }
-        double offset() const { return m_offset; }
-        TimingFunction* easing() const { return m_easing.get(); }
-        AnimationEffect::CompositeOperation composite() const { return m_composite; }
-        virtual PassOwnPtr<PropertySpecificKeyframe> cloneWithOffset(double offset) const = 0;
-
-        virtual bool isAnimatableValuePropertySpecificKeyframe() const { return false; }
-        virtual bool isStringPropertySpecificKeyframe() const { return false; }
-
-        virtual PassOwnPtr<PropertySpecificKeyframe> neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const = 0;
-        virtual PassRefPtr<Interpolation> createInterpolation(CSSPropertyID, WebCore::Keyframe::PropertySpecificKeyframe* end) const = 0;
-
-    protected:
-        PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, AnimationEffect::CompositeOperation);
-
-        double m_offset;
-        RefPtr<TimingFunction> m_easing;
-        AnimationEffect::CompositeOperation m_composite;
-    };
-
-    virtual PassOwnPtr<PropertySpecificKeyframe> createPropertySpecificKeyframe(CSSPropertyID) const = 0;
-
-
-protected:
-    Keyframe()
-        : m_offset(nullValue())
-        , m_composite(AnimationEffect::CompositeReplace)
-        , m_easing(LinearTimingFunction::preset())
-    {
-    }
-    Keyframe(double offset, AnimationEffect::CompositeOperation composite, PassRefPtr<TimingFunction> easing)
-        : m_offset(offset)
-        , m_composite(composite)
-        , m_easing(easing)
-    {
-    }
-
-    double m_offset;
-    AnimationEffect::CompositeOperation m_composite;
-    RefPtr<TimingFunction> m_easing;
-};
-
-typedef Keyframe::PropertySpecificKeyframe PropertySpecificKeyframe;
-
-}
-
-#endif