Remove <filter> from the chainableResourceTags set

third_party/WebKit/Source/core/layout/svg/SVGResources.cpp

 /*
  * Copyright (C) Research In Motion Limited 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
  * 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 "core/layout/svg/SVGResources.h"
 
 #include "core/SVGNames.h"
 #include "core/layout/svg/LayoutSVGResourceClipper.h"
 #include "core/layout/svg/LayoutSVGResourceFilter.h"
 #include "core/layout/svg/LayoutSVGResourceMarker.h"
 #include "core/layout/svg/LayoutSVGResourceMasker.h"
 #include "core/layout/svg/LayoutSVGResourcePaintServer.h"
 #include "core/style/ComputedStyle.h"
-#include "core/svg/SVGFilterElement.h"
 #include "core/svg/SVGGradientElement.h"
 #include "core/svg/SVGPatternElement.h"
 #include "core/svg/SVGURIReference.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
 #ifndef NDEBUG
 #include <stdio.h>
 #endif
 
@@ skipping 55 matching lines @@
           pathTag.localName(), polygonTag.localName(), polylineTag.localName(),
           rectTag.localName(), textTag.localName(), textPathTag.localName(),
           tspanTag.localName(),
       }));
   return s_tagList;
 }
 
 static HashSet<AtomicString>& chainableResourceTags() {
   DEFINE_STATIC_LOCAL(HashSet<AtomicString>, s_tagList,
                       ({
-                          linearGradientTag.localName(), filterTag.localName(),
-                          patternTag.localName(), radialGradientTag.localName(),
+                          linearGradientTag.localName(), patternTag.localName(),
+                          radialGradientTag.localName(),
                       }));
   return s_tagList;
 }
 
 static inline AtomicString targetReferenceFromResource(SVGElement& element) {
   String target;
   if (isSVGPatternElement(element))
     target = toSVGPatternElement(element).href()->currentValue()->value();
   else if (isSVGGradientElement(element))
     target = toSVGGradientElement(element).href()->currentValue()->value();
-  else if (isSVGFilterElement(element))
-    target = toSVGFilterElement(element).href()->currentValue()->value();
   else
     ASSERT_NOT_REACHED();
 
   return SVGURIReference::fragmentIdentifierFromIRIString(target,
                                                           element.treeScope());
 }
 
 static inline bool svgPaintTypeHasURL(SVGPaintType paintType) {
   switch (paintType) {
     case SVG_PAINTTYPE_URI_NONE:
@@ skipping 541 matching lines @@
               stroke->element());
   }
 
   if (m_linkedResource)
     fprintf(stderr, " |-> xlink:href : %p (node=%p)\n", m_linkedResource,
             m_linkedResource->element());
 }
 #endif
 
 }  // namespace blink