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

Source/core/animation/css/CSSAnimations.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 38 matching lines @@
 class StylePropertyShorthand;
 class StyleResolver;
 class StyleRuleKeyframes;
 
 // This class stores the CSS Animations/Transitions information we use during a style recalc.
 // This includes updates to animations/transitions as well as the Interpolations to be applied.
 class CSSAnimationUpdate FINAL : public NoBaseWillBeGarbageCollectedFinalized<CSSAnimationUpdate> {
 public:
     void startAnimation(AtomicString& animationName, PassRefPtrWillBeRawPtr<InertAnimation> animation)
     {
+        animation->setName(animationName);
         NewAnimation newAnimation;
         newAnimation.name = animationName;
         newAnimation.animation = animation;
         m_newAnimations.append(newAnimation);
     }
     // Returns whether player has been cancelled and should be filtered during style application.
     bool isCancelledAnimation(const AnimationPlayer* player) const { return m_cancelledAnimationPlayers.contains(player); }
     void cancelAnimation(const AtomicString& name, AnimationPlayer& player)
     {
         m_cancelledAnimationNames.append(name);
         m_cancelledAnimationPlayers.add(&player);
     }
     void toggleAnimationPaused(const AtomicString& name)
     {
         m_animationsWithPauseToggled.append(name);
     }
 
     void startTransition(CSSPropertyID id, CSSPropertyID eventId, const AnimatableValue* from, const AnimatableValue* to, PassRefPtrWillBeRawPtr<InertAnimation> animation)
     {
+        animation->setName(getPropertyName(id));
         NewTransition newTransition;
         newTransition.id = id;
         newTransition.eventId = eventId;
         newTransition.from = from;
         newTransition.to = to;
         newTransition.animation = animation;
         m_newTransitions.set(id, newTransition);
     }
     bool isCancelledTransition(CSSPropertyID id) const { return m_cancelledTransitions.contains(id); }
     void cancelTransition(CSSPropertyID id) { m_cancelledTransitions.add(id); }
@@ skipping 163 matching lines @@
         const CSSPropertyID m_property;
         AnimationNode::Phase m_previousPhase;
     };
 };
 
 } // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::CSSAnimationUpdate::NewAnimation);
 
 #endif