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diff --git a/WebCore/rendering/svg/SVGRootInlineBox.h b/WebCore/rendering/svg/SVGRootInlineBox.h
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+++ b/WebCore/rendering/svg/SVGRootInlineBox.h
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+/*
+ * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
+ *           (C) 2006 Apple Computer Inc.
+ *           (C) 2007 Nikolas Zimmermann <zimmermann@kde.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 SVGRootInlineBox_h
+#define SVGRootInlineBox_h
+
+#if ENABLE(SVG)
+#include "RootInlineBox.h"
+#include "SVGRenderSupport.h"
+#include "SVGTextLayoutEngine.h"
+
+namespace WebCore {
+
+class SVGInlineTextBox;
+
+class SVGRootInlineBox : public RootInlineBox {
+public:
+    SVGRootInlineBox(RenderBlock* block)
+        : RootInlineBox(block)
+        , m_logicalHeight(0)
+    {
+    }
+
+    virtual bool isSVGRootInlineBox() const { return true; }
+
+    virtual int virtualLogicalHeight() const { return m_logicalHeight; }
+    void setLogicalHeight(int height) { m_logicalHeight = height; }
+
+    virtual void paint(PaintInfo&, int tx, int ty);
+
+    void computePerCharacterLayoutInformation();
+
+    virtual FloatRect objectBoundingBox() const { return FloatRect(); }
+    virtual FloatRect repaintRectInLocalCoordinates() const { return FloatRect(); }
+
+    InlineBox* closestLeafChildForPosition(const IntPoint&);
+
+private:
+    void layoutCharactersInTextBoxes(InlineFlowBox*, SVGTextLayoutEngine&);
+    void layoutChildBoxes(InlineFlowBox*);
+    void layoutRootBox();
+
+private:
+    int m_logicalHeight;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+
+#endif // SVGRootInlineBox_h