Clean up CompositorPendingAnimations inclusion.

third_party/WebKit/Source/core/dom/ChildListMutationScope.h

 /*
  * Copyright (C) 2011 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 19 matching lines @@
 
 #ifndef ChildListMutationScope_h
 #define ChildListMutationScope_h
 
 #include "core/dom/Document.h"
 #include "core/dom/MutationObserver.h"
 #include "core/dom/Node.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
-#include "wtf/RefCounted.h"
 
 namespace blink {
 
 class MutationObserverInterestGroup;
 
 // ChildListMutationAccumulator is not meant to be used directly; ChildListMutationScope is the public interface.
 //
 // One ChildListMutationAccumulator for a given Node is shared between all the
 // active ChildListMutationScopes for that Node. Once the last ChildListMutationScope
 // is destructed the accumulator enqueues a mutation record for the recorded
@@ skipping 69 matching lines @@
             m_accumulator->willRemoveChild(&child);
     }
 
 private:
     Member<ChildListMutationAccumulator> m_accumulator;
 };
 
 } // namespace blink
 
 #endif // ChildListMutationScope_h