Reduce SuspendableObjects

third_party/WebKit/Source/core/animation/Animation.cpp

 /*
  * 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 50 matching lines @@
 
 Animation* Animation::create(AnimationEffectReadOnly* effect,
                              AnimationTimeline* timeline) {
   if (!timeline) {
     // FIXME: Support creating animations without a timeline.
     return nullptr;
   }
 
   Animation* animation =
       new Animation(timeline->document()->contextDocument(), *timeline, effect);
-  animation->suspendIfNeeded();
 
   if (timeline) {
     timeline->animationAttached(*animation);
     animation->attachCompositorTimeline();
   }
 
   return animation;
 }
 
 Animation::Animation(ExecutionContext* executionContext,
                      AnimationTimeline& timeline,
                      AnimationEffectReadOnly* content)
-    : SuspendableObject(executionContext),
+    : ContextLifecycleObserver(executionContext),
       m_playState(Idle),
       m_playbackRate(1),
       m_startTime(nullValue()),
       m_holdTime(0),
       m_sequenceNumber(nextSequenceNumber()),
       m_content(content),
       m_timeline(&timeline),
       m_paused(false),
       m_held(false),
       m_isPausedForTesting(false),
@@ skipping 544 matching lines @@
       m_readyPromise->resolve(this);
   }
   return m_readyPromise->promise(scriptState->world());
 }
 
 const AtomicString& Animation::interfaceName() const {
   return EventTargetNames::AnimationPlayer;
 }
 
 ExecutionContext* Animation::getExecutionContext() const {
-  return SuspendableObject::getExecutionContext();
+  return ContextLifecycleObserver::getExecutionContext();
 }
 
 bool Animation::hasPendingActivity() const {
   bool hasPendingPromise =
       !m_finished && m_finishedPromise &&
       m_finishedPromise->getState() == ScriptPromisePropertyBase::Pending;
 
   return m_pendingFinishedEvent || hasPendingPromise ||
          (!m_finished && hasEventListeners(EventTypeNames::finish));
 }
@@ skipping 452 matching lines @@
 
 DEFINE_TRACE(Animation) {
   visitor->trace(m_content);
   visitor->trace(m_timeline);
   visitor->trace(m_pendingFinishedEvent);
   visitor->trace(m_pendingCancelledEvent);
   visitor->trace(m_finishedPromise);
   visitor->trace(m_readyPromise);
   visitor->trace(m_compositorPlayer);
   EventTargetWithInlineData::trace(visitor);
-  SuspendableObject::trace(visitor);
+  ContextLifecycleObserver::trace(visitor);
 }
 
 Animation::CompositorAnimationPlayerHolder*
 Animation::CompositorAnimationPlayerHolder::create(Animation* animation) {
   return new CompositorAnimationPlayerHolder(animation);
 }
 
 Animation::CompositorAnimationPlayerHolder::CompositorAnimationPlayerHolder(
     Animation* animation)
     : m_animation(animation) {
   m_compositorPlayer = CompositorAnimationPlayer::create();
   m_compositorPlayer->setAnimationDelegate(m_animation);
 }
 
 void Animation::CompositorAnimationPlayerHolder::dispose() {
   if (!m_animation)
     return;
   m_animation->dispose();
   DCHECK(!m_animation);
   DCHECK(!m_compositorPlayer);
 }
 
 void Animation::CompositorAnimationPlayerHolder::detach() {
   DCHECK(m_compositorPlayer);
   m_compositorPlayer->setAnimationDelegate(nullptr);
   m_animation = nullptr;
   m_compositorPlayer.reset();
 }
 }  // namespace blink