compositor-worker: cc->blink mutation plumbing

third_party/WebKit/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 83 matching lines @@
 
 void ElementAnimations::restartAnimationOnCompositor()
 {
     for (const auto& entry : m_animations)
         entry.key->restartAnimationOnCompositor();
 }
 
 DEFINE_TRACE(ElementAnimations)
 {
     visitor->trace(m_cssAnimations);
+    visitor->trace(m_compositorMutationAnimations);
     visitor->trace(m_animationStack);
     visitor->trace(m_animations);
 #if !ENABLE(OILPAN)
     visitor->trace(m_effects);
 #endif
 }
 
 const ComputedStyle* ElementAnimations::baseComputedStyle() const
 {
 #if !ENABLE(ASSERT)
@@ skipping 26 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