Devtools Animations: Update transition timing on timeline interaction

Source/core/animation/KeyframeEffectModel.h

 /*
  * 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
@@ skipping 59 matching lines @@
 
         friend class KeyframeEffectModelBase;
     };
 
     bool isReplaceOnly();
 
     PropertySet properties() const;
 
     using KeyframeVector = WillBeHeapVector<RefPtrWillBeMember<Keyframe>>;
     const KeyframeVector& getFrames() const { return m_keyframes; }
-    // FIXME: Implement setFrames()
+    void setFrames(KeyframeVector& keyframes);
 
     const PropertySpecificKeyframeVector& getPropertySpecificKeyframes(CSSPropertyID id) const
     {
         ensureKeyframeGroups();
         return m_keyframeGroups->get(id)->keyframes();
     }
 
     // AnimationEffect implementation.
     virtual void sample(int iteration, double fraction, double iterationDuration, OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>>&) const override;
 
@@ skipping 110 matching lines @@
 
 template <>
 inline bool KeyframeEffectModel<AnimatableValueKeyframe>::isAnimatableValueKeyframeEffectModel() const { return true; }
 
 template <>
 inline bool KeyframeEffectModel<StringKeyframe>::isStringKeyframeEffectModel() const { return true; }
 
 } // namespace blink
 
 #endif // KeyframeEffectModel_h