Simplify "is external URL" in filter operations resolving

third_party/WebKit/Source/core/css/resolver/FilterOperationResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 16 matching lines @@
  */
 
 #include "core/css/resolver/FilterOperationResolver.h"
 
 #include "core/css/CSSFunctionValue.h"
 #include "core/css/CSSPrimitiveValueMappings.h"
 #include "core/css/CSSShadowValue.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/frame/UseCounter.h"
 #include "core/layout/svg/ReferenceFilterBuilder.h"
-#include "core/svg/SVGElement.h"
-#include "core/svg/SVGURIReference.h"
 
 namespace blink {
 
 FilterOperation::OperationType FilterOperationResolver::filterOperationForType(CSSValueID type)
 {
     switch (type) {
     case CSSValueUrl:
         return FilterOperation::REFERENCE;
     case CSSValueGrayscale:
         return FilterOperation::GRAYSCALE;
@@ skipping 83 matching lines @@
         const CSSFunctionValue* filterValue = toCSSFunctionValue(currValue.get());
         FilterOperation::OperationType operationType = filterOperationForType(filterValue->functionType());
         countFilterUse(operationType, state.document());
         ASSERT(filterValue->length() <= 1);
 
         if (operationType == FilterOperation::REFERENCE) {
             const CSSSVGDocumentValue& svgDocumentValue = toCSSSVGDocumentValue(filterValue->item(0));
             KURL url = state.document().completeURL(svgDocumentValue.url());
 
             ReferenceFilterOperation* operation = ReferenceFilterOperation::create(svgDocumentValue.url(), AtomicString(url.fragmentIdentifier()));
-            if (SVGURIReference::isExternalURIReference(svgDocumentValue.url(), state.document())) {
+            if (!equalIgnoringFragmentIdentifier(url, state.document().url())) {
                 if (!svgDocumentValue.loadRequested())
                     state.elementStyleResources().addPendingSVGDocument(operation, &svgDocumentValue);
                 else if (svgDocumentValue.cachedSVGDocument())
                     ReferenceFilterBuilder::setDocumentResourceReference(operation, new DocumentResourceReference(svgDocumentValue.cachedSVGDocument()));
             }
             operations.operations().append(operation);
             continue;
         }
 
         const CSSPrimitiveValue* firstValue = filterValue->length() && filterValue->item(0).isPrimitiveValue() ? &toCSSPrimitiveValue(filterValue->item(0)) : nullptr;
@@ skipping 54 matching lines @@
         default:
             ASSERT_NOT_REACHED();
             break;
         }
     }
 
     return operations;
 }
 
 } // namespace blink