Respect SVG fragment identifiers in <img> src attribute

Source/core/svg/graphics/SVGImageCache.cpp

 /*
  * Copyright (C) 2011 Research In Motion Limited. All rights reserved.
  * Copyright (C) 2013 Apple Inc. 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
  * 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/graphics/SVGImageCache.h"
 
 #include "core/fetch/ImageResource.h"
 #include "core/frame/FrameView.h"
+#include "core/html/HTMLImageElement.h"
 #include "core/page/Page.h"
 #include "core/rendering/svg/RenderSVGRoot.h"
 #include "core/svg/graphics/SVGImage.h"
 #include "core/svg/graphics/SVGImageForContainer.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/ImageBuffer.h"
 
 namespace WebCore {
 
 SVGImageCache::SVGImageCache(SVGImage* svgImage)
@@ skipping 46 matching lines @@
 {
     if (!renderer)
         return Image::nullImage();
 
     ImageForContainerMap::iterator it = m_imageForContainerMap.find(renderer);
     if (it == m_imageForContainerMap.end())
         return Image::nullImage();
 
     RefPtr<SVGImageForContainer> imageForContainer = it->value;
     ASSERT(!imageForContainer->size().isEmpty());
+
+    Node* node = renderer->node();
+    if (node && isHTMLImageElement(node)) {
+        const AtomicString& urlString = toHTMLImageElement(node)->imageSourceURL();
+        KURL url = node->document().completeURL(urlString);
+        imageForContainer->setURL(url);
+    }
+
     return imageForContainer.get();
 }
 
 } // namespace WebCore