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diff --git a/Source/WebCore/svg/SVGPathTraversalStateBuilder.h b/Source/WebCore/svg/SVGPathTraversalStateBuilder.h
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+++ b/Source/WebCore/svg/SVGPathTraversalStateBuilder.h
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+/*
+ * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
+ * 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 SVGPathTraversalStateBuilder_h
+#define SVGPathTraversalStateBuilder_h
+
+#if ENABLE(SVG)
+#include "FloatPoint.h"
+#include "PathTraversalState.h"
+#include "SVGPathConsumer.h"
+
+namespace WebCore {
+
+class SVGPathTraversalStateBuilder : public SVGPathConsumer {
+public:
+    SVGPathTraversalStateBuilder();
+
+    unsigned long pathSegmentIndex();
+    void setCurrentTraversalState(PathTraversalState* traversalState) { m_traversalState = traversalState; }
+    void setDesiredLength(float);
+    virtual void incrementPathSegmentCount();
+    virtual bool continueConsuming();
+    virtual void cleanup() { m_traversalState = 0; }
+
+private:
+    // Used in UnalteredParisng/NormalizedParsing modes.
+    virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode);
+    virtual void lineTo(const FloatPoint&, PathCoordinateMode);
+    virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode);
+    virtual void closePath();
+
+private:
+    // Not used for PathTraversalState.
+    virtual void lineToHorizontal(float, PathCoordinateMode) { ASSERT_NOT_REACHED(); }
+    virtual void lineToVertical(float, PathCoordinateMode) { ASSERT_NOT_REACHED(); }
+    virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode) { ASSERT_NOT_REACHED(); }
+    virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode) { ASSERT_NOT_REACHED(); }
+    virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) { ASSERT_NOT_REACHED(); }
+    virtual void arcTo(float, float, float, bool, bool, const FloatPoint&, PathCoordinateMode) { ASSERT_NOT_REACHED(); }
+
+    PathTraversalState* m_traversalState;
+    float m_desiredLength;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+#endif // SVGPathTraversalStateBuilder_h