Web Animations: Use StringKeyframes for element.animate()

Source/core/animation/AnimatableValueKeyframe.h

 // 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 AnimatableValueKeyframe_h
 #define AnimatableValueKeyframe_h
 
 #include "core/animation/AnimatableValue.h"
 #include "core/animation/Keyframe.h"
 
@@ skipping 19 matching lines @@
 
     virtual void trace(Visitor*) OVERRIDE;
 
     class PropertySpecificKeyframe : public Keyframe::PropertySpecificKeyframe {
     public:
         PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, const AnimatableValue*, AnimationEffect::CompositeOperation);
 
         AnimatableValue* value() const { return m_value.get(); }
 
         virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const OVERRIDE FINAL;
-        virtual PassRefPtrWillBeRawPtr<Interpolation> createInterpolation(CSSPropertyID, WebCore::Keyframe::PropertySpecificKeyframe* end) const OVERRIDE FINAL;
+        virtual PassRefPtrWillBeRawPtr<Interpolation> createInterpolation(CSSPropertyID, WebCore::Keyframe::PropertySpecificKeyframe* end, Element*) const OVERRIDE FINAL;
 
         virtual void trace(Visitor*) OVERRIDE;
 
     private:
         PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, PassRefPtrWillBeRawPtr<AnimatableValue>);
 
         virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> cloneWithOffset(double offset) const OVERRIDE;
         virtual bool isAnimatableValuePropertySpecificKeyframe() const OVERRIDE { return true; }
 
         RefPtrWillBeMember<AnimatableValue> m_value;
@@ skipping 14 matching lines @@
 };
 
 typedef AnimatableValueKeyframe::PropertySpecificKeyframe AnimatableValuePropertySpecificKeyframe;
 
 DEFINE_TYPE_CASTS(AnimatableValueKeyframe, Keyframe, value, value->isAnimatableValueKeyframe(), value.isAnimatableValueKeyframe());
 DEFINE_TYPE_CASTS(AnimatableValuePropertySpecificKeyframe, Keyframe::PropertySpecificKeyframe, value, value->isAnimatableValuePropertySpecificKeyframe(), value.isAnimatableValuePropertySpecificKeyframe());
 
 }
 
 #endif