Web Animations: Fix elpasedTime in animation events

Source/core/animation/TimedItem.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 20 matching lines @@
 #ifndef TimedItem_h
 #define TimedItem_h
 
 #include "core/animation/Timing.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class Player;
+class TimedItem;
 
 static inline bool isNull(double value)
 {
     return std::isnan(value);
 }
 
 static inline double nullValue()
 {
     return std::numeric_limits<double>::quiet_NaN();
 }
 
 class TimedItem : public RefCounted<TimedItem> {
     friend class Player; // Calls attach/detach, updateInheritedTime.
 public:
     // Note that logic in CSSAnimations depends on the order of these values.
     enum Phase {
         PhaseBefore,
         PhaseActive,
         PhaseAfter,
         PhaseNone,
     };
 
     class EventDelegate {
     public:
         virtual ~EventDelegate() { };
-        virtual void onEventCondition(bool isFirstSample, Phase previousPhase, Phase currentPhase, double previousIteration, double currentIteration) = 0;
+        virtual void onEventCondition(const TimedItem*, bool isFirstSample, Phase previousPhase, double previousIteration) = 0;
     };
 
     virtual ~TimedItem() { }
 
     Phase phase() const { return ensureCalculated().phase; }
     bool isCurrent() const { return ensureCalculated().isCurrent; }
     bool isInEffect() const { return ensureCalculated().isInEffect; }
     bool isInPlay() const { return ensureCalculated().isInPlay; }
 
     double startTime() const { return m_startTime; }
 
     double currentIteration() const { return ensureCalculated().currentIteration; }
     double activeDuration() const { return ensureCalculated().activeDuration; }
     double timeFraction() const { return ensureCalculated().timeFraction; }
-    Player* player() const { return m_player; }
+    const Player* player() const { return m_player; }
+
+    const Timing& specified() const { return m_specified; }
 
 protected:
     TimedItem(const Timing&, PassOwnPtr<EventDelegate> = nullptr);
 
     // When TimedItem receives a new inherited time via updateInheritedTime
     // it will (if necessary) recalculate timings and (if necessary) call
     // updateChildrenAndEffects.
     void updateInheritedTime(double inheritedTime) const;
     virtual void updateChildrenAndEffects(bool wasInEffect) const = 0;
     virtual double intrinsicIterationDuration() const { return 0; };
@@ skipping 27 matching lines @@
     } m_calculated;
     mutable bool m_isFirstSample;
 
     // FIXME: Should check the version and reinherit time if inconsistent.
     const CalculatedTiming& ensureCalculated() const { return m_calculated; }
 };
 
 } // namespace WebCore
 
 #endif