Add foundation for removing AnimatableValues from StyleInterpolation

Source/core/animation/DefaultAnimationType.cpp

Index: Source/core/animation/DefaultAnimationType.cpp
diff --git a/Source/core/animation/DefaultAnimationType.cpp b/Source/core/animation/DefaultAnimationType.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c01624fbd3300fa34cdfe54b1072d1e122ceb5b9
--- /dev/null
+++ b/Source/core/animation/DefaultAnimationType.cpp
@@ -0,0 +1,27 @@
+// Copyright 2015 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.
+
+#include "config.h"
+#include "core/animation/DefaultAnimationType.h"
+
+#include "core/css/resolver/StyleBuilder.h"
+
+namespace blink {
+
+PassOwnPtrWillBeRawPtr<AnimationConversionHalf> DefaultAnimationType::maybeConvertSingle(const CSSPropertySpecificKeyframe& keyframe, const StyleResolverState*) const
+{
+    OwnPtrWillBeRawPtr<AnimationConversionHalf> result = AnimationConversionHalf::create();
+    result->interpolableValue = InterpolableList::create(0);
+    result->nonInterpolableValue = DefaultNonInterpolableValue::create(keyframe.value());
+    return result.release();
+}
+
+void DefaultAnimationType::apply(const InterpolableValue&, const NonInterpolableValue* nonInterpolableValue, StyleResolverState& state) const
+{
+    StyleBuilder::applyProperty(m_property, state, toDefaultNonInterpolableValue(nonInterpolableValue)->cssValue());
+}
+
+DEFINE_NON_INTERPOLABLE_VALUE_TYPE(DefaultNonInterpolableValue);
+
+} // namespace blink