Oilpan: Completely move core/animations/ to oilpan's heap

Source/core/animation/SampledEffect.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/animation/SampledEffect.h"
 
 namespace WebCore {
 
 SampledEffect::SampledEffect(Animation* animation, PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > interpolations)
     : m_player(animation->player())
     , m_animation(animation)
     , m_interpolations(interpolations)
     , m_playerSortInfo(m_player->sortInfo())
     , m_priority(animation->priority())
 {
     ASSERT(m_interpolations && !m_interpolations->isEmpty());
 }
 
 bool SampledEffect::canChange() const
 {
+#if ENABLE(OILPAN)
+    return m_animation;
+#else
     if (!m_animation)
         return false;
     // FIXME: This check won't be needed when Animation and AnimationPlayer are moved to Oilpan.
     return !m_player->canFree();
+#endif
 }
 
-void SampledEffect::clear()
+void SampledEffect::detach()
 {
-    m_player.clear();
-    m_animation = 0;
+    m_player = nullptr;
+    m_animation = nullptr;
     m_interpolations->clear();
 }
 
 void SampledEffect::removeReplacedInterpolationsIfNeeded(const BitArray<numCSSProperties>& replacedProperties)
 {
     if (canChange() && m_animation->isCurrent())
         return;
 
     size_t dest = 0;
     for (size_t i = 0; i < m_interpolations->size(); i++) {
         if (!replacedProperties.get(toStyleInterpolation(m_interpolations->at(i).get())->id()))
             m_interpolations->at(dest++) = m_interpolations->at(i);
     }
     m_interpolations->shrink(dest);
 }
 
+void SampledEffect::trace(Visitor* visitor)
+{
+    visitor->trace(m_player);
+    visitor->trace(m_animation);
+    visitor->trace(m_interpolations);
+}
+
 } // namespace WebCore