Remove SVGSVGElement.viewport attribute

third_party/WebKit/Source/core/svg/SVGSVGElement.h

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Rob Buis <buis@kde.org>
  * Copyright (C) 2014 Google, Inc.
  *
  * 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.
  *
@@ skipping 32 matching lines @@
 
 class SVGSVGElement final : public SVGGraphicsElement,
                             public SVGFitToViewBox,
                             public SVGZoomAndPan {
     DEFINE_WRAPPERTYPEINFO();
     USING_GARBAGE_COLLECTED_MIXIN(SVGSVGElement);
 public:
     DECLARE_NODE_FACTORY(SVGSVGElement);
 
     // 'SVGSVGElement' functions
-    SVGRectTearOff* viewport() const;
-
     bool useCurrentView() const { return m_useCurrentView; }
     SVGViewSpec* currentView();
 
     float intrinsicWidth() const;
     float intrinsicHeight() const;
     FloatSize currentViewportSize() const;
     FloatRect currentViewBoxRect() const;
     SVGPreserveAspectRatio* currentPreserveAspectRatio() const;
 
     float currentScale() const;
@@ skipping 94 matching lines @@
     Member<SVGPoint> m_translation;
     Member<SVGViewSpec> m_viewSpec;
     float m_currentScale;
 
     friend class SVGCurrentTranslateTearOff;
 };
 
 } // namespace blink
 
 #endif // SVGSVGElement_h