1 files changed, 42 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/core/animation/interpolation/LengthStyleInterpolation.h b/chromium/third_party/WebKit/Source/core/animation/interpolation/LengthStyleInterpolation.h
new file mode 100644
index 00000000000..d344957da8c
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+++ b/chromium/third_party/WebKit/Source/core/animation/interpolation/LengthStyleInterpolation.h
@@ -0,0 +1,42 @@
+// 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 LengthStyleInterpolation_h
+#define LengthStyleInterpolation_h
+
+#include "core/animation/interpolation/StyleInterpolation.h"
+#include "platform/Length.h"
+
+namespace WebCore {
+
+class LengthStyleInterpolation : public StyleInterpolation {
+public:
+    static PassRefPtrWillBeRawPtr<LengthStyleInterpolation> create(CSSValue* start, CSSValue* end, CSSPropertyID id,  ValueRange range)
+    {
+        return adoptRefWillBeNoop(new LengthStyleInterpolation(lengthToInterpolableValue(start), lengthToInterpolableValue(end), id, range));
+    }
+
+    static bool canCreateFrom(const CSSValue&);
+
+    virtual void apply(StyleResolverState&) const OVERRIDE;
+
+    virtual void trace(Visitor*) OVERRIDE;
+
+private:
+    LengthStyleInterpolation(PassOwnPtrWillBeRawPtr<InterpolableValue> start, PassOwnPtrWillBeRawPtr<InterpolableValue> end, CSSPropertyID id,  ValueRange range)
+        : StyleInterpolation(start, end, id)
+        , m_range(range)
+    { }
+
+    static PassOwnPtrWillBeRawPtr<InterpolableValue> lengthToInterpolableValue(CSSValue*);
+    static PassRefPtrWillBeRawPtr<CSSValue> interpolableValueToLength(InterpolableValue*, ValueRange);
+
+    ValueRange m_range;
+
+    friend class AnimationLengthStyleInterpolationTest;
+};
+
+}
+
+#endif