Web Animations: Add a name to AnimationNode and trace running players

Source/core/animation/AnimationPlayer.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 146 matching lines @@
     virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) OVERRIDE;
 
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
     AnimationPlayer(ExecutionContext*, AnimationTimeline&, AnimationNode*);
     double sourceEnd() const;
     bool limited(double currentTime) const;
     void updateCurrentTimingState(TimingUpdateReason);
     void unpauseInternal();
+    void uncancel();
+    void setFinished(bool);
 
     double m_playbackRate;
 
     double m_startTime;
     double m_holdTime;
 
     unsigned m_sequenceNumber;
 
     RefPtrWillBeMember<AnimationNode> m_content;
     RawPtrWillBeMember<AnimationTimeline> m_timeline;
@@ skipping 28 matching lines @@
             , sourceChanged(false)
             , pendingAction(Start)
         { }
         double startTime;
         double holdTime;
         double playbackRate;
         bool sourceChanged;
         CompositorAction pendingAction;
     };
 
-    void uncancel()
-    {
-        if (m_idle) {
-            m_idle = false;
-            m_finished = false;
-            m_held = true;
-            m_holdTime = 0;
-        }
-    }
-
     // This mirrors the known compositor state. It is created when a compositor
     // animation is started. Updated once the start time is known and each time
     // modifications are pushed to the compositor.
     OwnPtr<CompositorState> m_compositorState;
     bool m_compositorPending;
     bool m_currentTimePending;
     bool m_idle;
 };
 
 } // namespace blink
 
 #endif