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

third_party/WebKit/Source/core/animation/TimingCalculations.h

 /*
  * 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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef TimingCalculations_h
 #define TimingCalculations_h
 
 #include "core/animation/AnimationEffectReadOnly.h"
 #include "core/animation/Timing.h"
 #include "platform/animation/AnimationUtilities.h"
-#include "wtf/MathExtras.h"
+#include "platform/wtf/MathExtras.h"
 
 namespace blink {
 
 static inline double multiplyZeroAlwaysGivesZero(double x, double y) {
   DCHECK(!isNull(x));
   DCHECK(!isNull(y));
   return x && y ? x * y : 0;
 }
 
 static inline AnimationEffectReadOnly::Phase calculatePhase(
@@ skipping 201 matching lines @@
   DCHECK(timeFraction >= 0 && timeFraction <= 1);
   return multiplyZeroAlwaysGivesZero(
       iterationDuration,
       specified.timingFunction->evaluate(
           timeFraction, accuracyForDuration(iterationDuration)));
 }
 
 }  // namespace blink
 
 #endif