[SVG] Remove calculateDeviceSpaceTransformation()

Source/core/rendering/svg/SVGRenderingContext.h

 /**
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2012 Zoltan Herczeg <zherczeg@webkit.org>.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 67 matching lines @@
     // Automatically finishes context rendering.
     ~SVGRenderingContext();
 
     // Used by all SVG renderers who apply clip/filter/etc. resources to the renderer content.
     void prepareToRenderSVGContent(RenderObject*, PaintInfo&);
     bool isRenderingPrepared() const { return m_renderingFlags & RenderingPrepared; }
 
     static void renderSubtree(GraphicsContext*, RenderObject*);
 
     static float calculateScreenFontSizeScalingFactor(const RenderObject*);
-    static void calculateDeviceSpaceTransformation(const RenderObject*, AffineTransform& absoluteTransform);
 
     // Support for the buffered-rendering hint.
     bool bufferForeground(OwnPtr<ImageBuffer>&);
 
 private:
     // To properly revert partially successful initializtions in the destructor, we record all successful steps.
     enum RenderingFlags {
         RenderingPrepared = 1,
         RestoreGraphicsContext = 1 << 1,
         EndOpacityLayer = 1 << 2,
@@ skipping 11 matching lines @@
     IntRect m_savedPaintRect;
     RenderSVGResourceFilter* m_filter;
     RenderSVGResourceClipper* m_clipper;
     RenderSVGResourceClipper::ClipperState m_clipperState;
     RenderSVGResourceMasker* m_masker;
 };
 
 } // namespace blink
 
 #endif // SVGRenderingContext_h