Expose Web Animations API to Web Workers

Source/platform/animation/TimingFunction.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 14 matching lines @@
 #ifndef TimingFunction_h
 #define TimingFunction_h
 
 #include "platform/animation/AnimationUtilities.h" // For blend()
 #include "platform/animation/UnitBezier.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/StdLibExtras.h"
+#include "wtf/ThreadSafeRefCounted.h"
 #include "wtf/Vector.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/WTFString.h"
 #include <algorithm>
 
 namespace blink {
 
-class PLATFORM_EXPORT TimingFunction : public RefCounted<TimingFunction> {
+class PLATFORM_EXPORT TimingFunction : public ThreadSafeRefCounted<TimingFunction> {
 public:
 
     enum Type {
         LinearFunction, CubicBezierFunction, StepsFunction
     };
 
     virtual ~TimingFunction() { }
 
     Type type() const { return m_type; }
 
@@ skipping 200 matching lines @@
         value->type() == TimingFunction::typeName##Function, \
         value.type() == TimingFunction::typeName##Function)
 
 DEFINE_TIMING_FUNCTION_TYPE_CASTS(Linear);
 DEFINE_TIMING_FUNCTION_TYPE_CASTS(CubicBezier);
 DEFINE_TIMING_FUNCTION_TYPE_CASTS(Steps);
 
 } // namespace blink
 
 #endif // TimingFunction_h