Web Animations: Fix elpasedTime in animation events

Source/core/animation/css/CSSAnimations.h

Index: Source/core/animation/css/CSSAnimations.h
diff --git a/Source/core/animation/css/CSSAnimations.h b/Source/core/animation/css/CSSAnimations.h
index 2f04c41d213d22213a4f2894a5b93dca5179e5ed..a777163f895e1353eb4fe7e05f4f16ae7aa3d399 100644
--- a/Source/core/animation/css/CSSAnimations.h
+++ b/Source/core/animation/css/CSSAnimations.h
@@ -87,7 +87,7 @@ private:
             , m_name(name)
         {
         }
-        virtual void onEventCondition(bool isFirstSample, TimedItem::Phase previousPhase, TimedItem::Phase currentPhase, double previousIteration, double currentIteration) OVERRIDE;
+        virtual void onEventCondition(const TimedItem*, bool isFirstSample, TimedItem::Phase previousPhase, double previousIteration) OVERRIDE;
     private:
         void maybeDispatch(Document::ListenerType, AtomicString& eventName, double elapsedTime);
         Element* m_target;