[Oilpan] Migrate most classes under core/animations to Oilpan heap.

Source/core/animation/ElementAnimations.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 24 matching lines @@
 
 namespace blink {
 
 ElementAnimations::ElementAnimations()
     : m_animationStyleChange(false)
 {
 }
 
 ElementAnimations::~ElementAnimations()
 {
-#if !ENABLE(OILPAN)
-    for (Animation* animation : m_animations)
-        animation->notifyElementDestroyed();

[haraken, 2015/05/08 00:13:06]

Ditto.

[peria, 2015/05/08 02:21:20]

Acknowledged.

-    m_animations.clear();
-#endif
 }
 
 void ElementAnimations::updateAnimationFlags(ComputedStyle& style)
 {
     for (const auto& entry : m_players) {
         const AnimationPlayer& player = *entry.key;
         ASSERT(player.source());
         // FIXME: Needs to consider AnimationGroup once added.
         ASSERT(player.source()->isAnimation());
         const Animation& animation = *toAnimation(player.source());
@@ skipping 16 matching lines @@
 }
 
 void ElementAnimations::restartAnimationOnCompositor()
 {
     for (const auto& entry : m_players)
         entry.key->restartAnimationOnCompositor();
 }
 
 DEFINE_TRACE(ElementAnimations)
 {
-#if ENABLE(OILPAN)
     visitor->trace(m_cssAnimations);
     visitor->trace(m_defaultStack);
+#if ENABLE(OILPAN)
     visitor->trace(m_players);
 #endif
 }
 
 const ComputedStyle* ElementAnimations::baseComputedStyle() const
 {
-#if !ENABLE(ASSERT)
-    if (isAnimationStyleChange())
-        return m_baseComputedStyle.get();
-#endif
     return nullptr;
 }
 
 void ElementAnimations::updateBaseComputedStyle(const ComputedStyle* computedStyle)
 {
     if (!isAnimationStyleChange()) {
         m_baseComputedStyle = nullptr;
         return;
     }
 #if ENABLE(ASSERT)
@@ skipping 13 matching lines @@
     // TODO(rune@opera.com): The FontFaceCache version number may be increased without forcing
     // a style recalc (see crbug.com/471079). ComputedStyle objects created with different cache
     // versions will not be considered equal as Font::operator== will compare versions, hence
     // ComputedStyle::operator== will return false. We avoid using baseComputedStyle (the check for
     // isFallbackValid()) in that case to avoid triggering the ComputedStyle comparison ASSERT
     // in updateBaseComputedStyle.
     return m_animationStyleChange && (!m_baseComputedStyle || m_baseComputedStyle->font().isFallbackValid());
 }
 
 } // namespace blink