Remove some SVG API

Source/core/rendering/svg/SVGRenderSupport.cpp

 /*
  * Copyright (C) 2007, 2008 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) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2009-2010. 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
@@ skipping 378 matching lines @@
         return;
 
     DashArray dashArray;
     size_t length = dashes->numberOfItems();
     for (size_t i = 0; i < length; ++i)
         dashArray.append(dashes->at(i)->value(lengthContext));
 
     strokeData->setLineDash(dashArray, svgStyle->strokeDashOffset()->value(lengthContext));
 }
 
-bool SVGRenderSupport::isEmptySVGInlineText(const RenderObject* object)
-{
-    // RenderSVGInlineText performs whitespace filtering in order to support xml:space
-    // (http://www.w3.org/TR/SVG/struct.html#LangSpaceAttrs), and can end up with an empty string
-    // even when its original constructor argument is non-empty.
-    return object->isSVGInlineText() && toRenderSVGInlineText(object)->hasEmptyText();
-}
-
 bool SVGRenderSupport::isRenderableTextNode(const RenderObject* object)
 {
     ASSERT(object->isText());
     // <br> is marked as text, but is not handled by the SVG rendering code-path.
     return object->isSVGInlineText() && !toRenderSVGInlineText(object)->hasEmptyText();
 }
 
 }