Web Animations API: Refactor IDL input conversion out of Animation

Source/core/animation/EffectInput.h

Index: Source/core/animation/EffectInput.h
diff --git a/Source/core/animation/EffectInput.h b/Source/core/animation/EffectInput.h
new file mode 100644
index 0000000000000000000000000000000000000000..0d316f79a6ca4c9600e182b29f0af577b236242a
--- /dev/null
+++ b/Source/core/animation/EffectInput.h
@@ -0,0 +1,24 @@
+// 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 EffectInput_h
+#define EffectInput_h
+
+#include "core/animation/AnimationEffect.h"
+#include "wtf/Vector.h"
+
+namespace WebCore {
+
+class AnimationEffect;
+class Dictionary;
+class Element;
+
+class EffectInput {
+public:
+    static PassRefPtrWillBeRawPtr<AnimationEffect> convert(Element*, const Vector<Dictionary>& keyframeDictionaryVector, bool unsafe = false);
+};
+
+} // namespace WebCore
+
+#endif