--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderSVGViewportContainer.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,65 @@
+/*
+    Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2007 Rob Buis <buis@kde.org>
+                  2009 Google, Inc.
+    Copyright (C) 2009 Apple Inc. 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
+    aint 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 RenderSVGViewportContainer_h
+#define RenderSVGViewportContainer_h
+
+#if ENABLE(SVG)
+#include "RenderSVGContainer.h"
+
+namespace WebCore {
+
+// This is used for non-root <svg> elements and <marker> elements, neither of which are SVGTransformable
+// thus we inherit from RenderSVGContainer instead of RenderSVGTransformableContainer
+class RenderSVGViewportContainer : public RenderSVGContainer {
+public:
+    RenderSVGViewportContainer(SVGStyledElement*);
+
+private:
+    virtual bool isSVGContainer() const { return true; }
+    virtual const char* renderName() const { return "RenderSVGViewportContainer"; }
+
+    AffineTransform viewportTransform() const;
+    virtual const AffineTransform& localToParentTransform() const;
+
+    virtual void calcViewport();
+
+    virtual void applyViewportClip(PaintInfo&);
+    virtual bool pointIsInsideViewportClip(const FloatPoint& pointInParent);
+
+    FloatRect m_viewport;
+    mutable AffineTransform m_localToParentTransform;
+};
+  
+inline RenderSVGViewportContainer* toRenderSVGViewportContainer(RenderObject* object)
+{
+    ASSERT(!object || !strcmp(object->renderName(), "RenderSVGViewportContainer"));
+    return static_cast<RenderSVGViewportContainer*>(object);
+}
+
+// This will catch anyone doing an unnecessary cast.
+void toRenderSVGViewportContainer(const RenderSVGViewportContainer*);
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+#endif // RenderSVGViewportContainer_h