Rewrite references to "wtf/" to "platform/wtf/" in core/animation.

third_party/WebKit/Source/core/animation/css/CSSAnimations.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 46 matching lines @@
 #include "core/dom/Element.h"
 #include "core/dom/PseudoElement.h"
 #include "core/dom/StyleEngine.h"
 #include "core/events/AnimationEvent.h"
 #include "core/events/TransitionEvent.h"
 #include "core/frame/UseCounter.h"
 #include "core/layout/LayoutObject.h"
 #include "core/paint/PaintLayer.h"
 #include "platform/Histogram.h"
 #include "platform/animation/TimingFunction.h"
+#include "platform/wtf/HashSet.h"
 #include "public/platform/Platform.h"
-#include "wtf/HashSet.h"
 
 namespace blink {
 
 using PropertySet = HashSet<CSSPropertyID>;
 
 namespace {
 
 static StringKeyframeEffectModel* createKeyframeEffectModel(
     StyleResolver* resolver,
     const Element* animatingElement,
@@ skipping 1133 matching lines @@
              isCustomPropertyHandle);
 }
 
 DEFINE_TRACE(CSSAnimations) {
   visitor->trace(m_transitions);
   visitor->trace(m_pendingUpdate);
   visitor->trace(m_runningAnimations);
 }
 
 }  // namespace blink