Web Animations API: Refactor IDL input conversion out of Animation

Source/core/animation/TimingInput.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef TimingInput_h
+#define TimingInput_h
+
+#include "core/animation/Timing.h"
+
+namespace WebCore {
+
+class Dictionary;
+
+class TimingInput {
+public:
+    static Timing convert(const Dictionary& timingInputDictionary);
+    static Timing convert(double duration);
+
+    static void setStartDelay(Timing&, double startDelay);
+    static void setEndDelay(Timing&, double endDelay);
+    static void setFillMode(Timing&, const String& fillMode);
+    static void setIterationStart(Timing&, double iterationStart);
+    static void setIterationCount(Timing&, double iterationCount);
+    static void setIterationDuration(Timing&, double iterationDuration);
+    static void setPlaybackRate(Timing&, double playbackRate);
+    static void setPlaybackDirection(Timing&, const String& direction);
+    static void setTimingFunction(Timing&, const String& timingFunctionString);
+};
+
+} // namespace WebCore
+
+#endif