Remove some SVG API

Source/core/rendering/svg/SVGRenderSupport.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.
  *
  * 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
@@ skipping 63 matching lines @@
     // Shared between SVG renderers and resources.
     static void applyStrokeStyleToContext(GraphicsContext*, const RenderStyle*, const RenderObject*);
     static void applyStrokeStyleToStrokeData(StrokeData*, const RenderStyle*, const RenderObject*);
 
     // Determines if any ancestor's transform has changed.
     static bool transformToRootChanged(RenderObject*);
 
     // FIXME: These methods do not belong here.
     static const RenderSVGRoot* findTreeRootObject(const RenderObject*);
 
-    // Helper method for determining whether an RenderSVGInlineText object has zero length text.
-    static bool isEmptySVGInlineText(const RenderObject*);
-
     // Helper method for determining if a RenderObject marked as text (isText()== true)
     // can/will be rendered as part of a <text>.
     static bool isRenderableTextNode(const RenderObject*);
 
 private:
     // This class is not constructable.
     SVGRenderSupport();
     ~SVGRenderSupport();
 };
 
 } // namespace WebCore
 
 #endif // SVGRenderSupport_h