Drop ImageLoader::sourceURI

Source/core/svg/SVGImageLoader.cpp

 /*
  * Copyright (C) 2005, 2005 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
-
 #include "core/svg/SVGImageLoader.h"
 
 #include "core/events/Event.h"
 #include "core/fetch/ImageResource.h"
-#include "core/html/parser/HTMLParserIdioms.h"
 #include "core/svg/SVGImageElement.h"
 
 namespace blink {
 
 SVGImageLoader::SVGImageLoader(SVGImageElement* node)
     : ImageLoader(node)
 {
 }
 
 void SVGImageLoader::dispatchLoadEvent()
 {
     if (image()->errorOccurred()) {
         element()->dispatchEvent(Event::create(EventTypeNames::error));
     } else {
         SVGImageElement* imageElement = toSVGImageElement(element());
         imageElement->sendSVGLoadEventToSelfAndAncestorChainIfPossible();
     }
 }
 
-String SVGImageLoader::sourceURI(const AtomicString& attribute) const
-{
-    KURL base = element()->baseURI();
-    if (!base.isValid())
-        base = element()->document().baseURI();
-    return element()->document().completeURLWithOverride(stripLeadingAndTrailingHTMLSpaces(attribute), base);
 }
-
-}