Don't register excessive pending SVG resources

Source/core/layout/svg/SVGResourcesCache.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
@@ skipping 151 matching lines @@
 {
     ASSERT(layoutObject);
 
     SVGResources* resources = cachedResourcesForLayoutObject(layoutObject);
     if (resources)
         resources->removeClientFromCache(layoutObject);
     SVGResourcesCache& cache = resourcesCache(layoutObject->document());
     cache.removeResourcesFromLayoutObject(layoutObject);
 }
 
-void SVGResourcesCache::resourceDestroyed(LayoutSVGResourceContainer* resource)
-{
-    ASSERT(resource);
-    SVGResourcesCache& cache = resourcesCache(resource->document());
-
-    // The resource itself may have clients, that need to be notified.
-    cache.removeResourcesFromLayoutObject(resource);
-
-    for (auto& objectResources : cache.m_cache) {
-        objectResources.value->resourceDestroyed(resource);
-
-        // Mark users of destroyed resources as pending resolution based on the id of the old resource.
-        Element* resourceElement = resource->element();
-        Element* clientElement = toElement(objectResources.key->node());
-        SVGDocumentExtensions& extensions = clientElement->document().accessSVGExtensions();
-
-        extensions.addPendingResource(resourceElement->fastGetAttribute(HTMLNames::idAttr), clientElement);
-    }
 }
-
-}