Web Animations: Extract an API for servicing animations

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 163 matching lines @@
 {
     return m_effect && m_effect->affects(property);
 }
 
 void Animation::cancelAnimationOnCompositor()
 {
     if (!hasActiveAnimationsOnCompositor())
         return;
     if (!m_target || !m_target->renderer())
         return;
-    for (size_t i = 0; i < m_compositorAnimationIds.size(); ++i) {
+    for (size_t i = 0; i < m_compositorAnimationIds.size(); ++i)
         CompositorAnimations::instance()->cancelAnimationOnCompositor(*m_target.get(), m_compositorAnimationIds[i]);
-    }
     m_compositorAnimationIds.clear();
 }
 
 } // namespace WebCore