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diff --git a/WebCore/svg/SVGPathBlender.h b/WebCore/svg/SVGPathBlender.h
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+++ b/WebCore/svg/SVGPathBlender.h
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+/*
+ * Copyright (C) Research In Motion Limited 2010. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef SVGPathBlender_h
+#define SVGPathBlender_h
+
+#if ENABLE(SVG)
+#include "SVGPathConsumer.h"
+#include "SVGPathSource.h"
+#include <wtf/Noncopyable.h>
+
+namespace WebCore {
+
+class SVGPathBlender : public Noncopyable {
+public:
+    SVGPathBlender();
+    ~SVGPathBlender();
+
+    bool blendAnimatedPath(float, SVGPathSource*, SVGPathSource*, SVGPathConsumer*);
+    void cleanup();
+
+private:
+    bool blendMoveToSegment();
+    bool blendLineToSegment();
+    bool blendLineToHorizontalSegment();
+    bool blendLineToVerticalSegment();
+    bool blendCurveToCubicSegment();
+    bool blendCurveToCubicSmoothSegment();
+    bool blendCurveToQuadraticSegment();
+    bool blendCurveToQuadraticSmoothSegment();
+    bool blendArcToSegment();
+
+    float blendAnimatedFloat(float, float);
+    FloatPoint blendAnimatedFloatPoint(FloatPoint&, FloatPoint&);
+
+    SVGPathSource* m_fromSource;
+    SVGPathSource* m_toSource;
+    SVGPathConsumer* m_consumer;
+    PathCoordinateMode m_mode;
+    float m_progress;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+#endif // SVGPathBlender_h