Update animation when changes in animation keyframes are detected.

Source/core/animation/AnimationNode.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 86 matching lines @@
     double activeDurationInternal() const;
     double startTimeInternal() const { return m_startTime; }
     double endTimeInternal() const { return startTimeInternal() + specifiedTiming().startDelay + activeDurationInternal() + specifiedTiming().endDelay; }
 
     const AnimationPlayer* player() const { return m_player; }
     AnimationPlayer* player() { return m_player; }
     const Timing& specifiedTiming() const { return m_timing; }
     PassRefPtrWillBeRawPtr<AnimationNodeTiming> timing();
     void updateSpecifiedTiming(const Timing&);
 
+    unsigned styleChangeCounter() const { return m_styleChangeCounter; }
+    void updateStyleChangeCounter(unsigned styleChangeCounter) { m_styleChangeCounter = std::max(m_styleChangeCounter, styleChangeCounter); }
+
     void computedTiming(ComputedTimingProperties&);
     ComputedTimingProperties computedTiming();
 
     void setName(const String& name) { m_name = name; }
     const String& name() const { return m_name; }
 
     virtual void trace(Visitor*);
 
 protected:
     explicit AnimationNode(const Timing&, PassOwnPtrWillBeRawPtr<EventDelegate> = nullptr);
@@ skipping 40 matching lines @@
         bool isInPlay;
         double localTime;
         double timeToForwardsEffectChange;
         double timeToReverseEffectChange;
     } m_calculated;
     mutable bool m_needsUpdate;
     mutable double m_lastUpdateTime;
     String m_name;
 
     const CalculatedTiming& ensureCalculated() const;
+
+private:
+    unsigned m_styleChangeCounter;

[dstockwell, 2014/12/29 01:59:52]

This seems specific to CSSAnimations, we should store it in CSSAnimations'
m_animations map. Follow the same pattern as the TransitionMap with
RunningTransition.

[shend, 2014/12/29 03:21:37]

Done.

 };
 
 } // namespace blink
 
 #endif // AnimationNode_h