Remove unused SVGElement::isSupported

Source/core/svg/SVGElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * 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 14 matching lines @@
 
 #include "core/svg/SVGElement.h"
 
 #include "HTMLNames.h"
 #include "SVGNames.h"
 #include "XLinkNames.h"
 #include "XMLNames.h"
 #include "bindings/v8/ScriptEventListener.h"
 #include "core/css/CSSCursorImageValue.h"
 #include "core/css/CSSParser.h"
-#include "core/dom/DOMImplementation.h"
 #include "core/dom/Document.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/events/Event.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/rendering/RenderObject.h"
 #include "core/rendering/svg/RenderSVGResourceContainer.h"
 #include "core/svg/SVGCursorElement.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "core/svg/SVGElementInstance.h"
 #include "core/svg/SVGElementRareData.h"
@@ skipping 185 matching lines @@
     }
 
     if (error == ParsingAttributeFailedError) {
         extensions->reportError("Invalid value for " + errorString);
         return;
     }
 
     ASSERT_NOT_REACHED();
 }
 
-
-bool SVGElement::isSupported(StringImpl* feature, StringImpl* version) const
-{
-    return DOMImplementation::hasFeature(feature, version);
-}
-
 String SVGElement::title() const
 {
     // According to spec, we should not return titles when hovering over root <svg> elements (those
     // <title> elements are the title of the document, not a tooltip) so we instantly return.
     if (isOutermostSVGSVGElement())
         return String();
 
     // Walk up the tree, to find out whether we're inside a <use> shadow tree, to find the right title.
     if (isInShadowTree()) {
         Element* shadowHostElement = toShadowRoot(treeScope().rootNode())->host();
@@ skipping 934 matching lines @@
     }
 
     if (name == classAttr)
         return true;
 
     return animatableAttributes.contains(name);
 }
 #endif
 
 }