Remove support for the externalResourcesRequired attribute.

Source/core/svg/SVGAnimationElement.h

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Cameron McCormack <cam@mcc.id.au>
  * Copyright (C) Research In Motion Limited 2011. 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.
  */
 
 #ifndef SVGAnimationElement_h
 #define SVGAnimationElement_h
 
 #include "core/svg/SVGAnimatedBoolean.h"
-#include "core/svg/SVGExternalResourcesRequired.h"
 #include "core/svg/SVGTests.h"
 #include "core/svg/animation/SVGSMILElement.h"
 #include "platform/animation/UnitBezier.h"
 #include "wtf/Functional.h"
 
 namespace WebCore {
 
 enum AnimationMode {
     NoAnimation,
     FromToAnimation,
@@ skipping 17 matching lines @@
     CalcModeLinear,
     CalcModePaced,
     CalcModeSpline
 };
 
 class ConditionEventListener;
 class TimeContainer;
 class SVGAnimatedType;
 
 class SVGAnimationElement : public SVGSMILElement,
-                            public SVGTests,
-                            public SVGExternalResourcesRequired {
+                            public SVGTests {
 public:
     // SVGAnimationElement
     float getStartTime() const;
     float getCurrentTime() const;
     float getSimpleDuration() const;
 
     void beginElement();
     void beginElementAt(float offset);
     void endElement();
     void endElementAt(float offset);
@@ skipping 142 matching lines @@
     void calculateKeyTimesForCalcModePaced();
     float calculatePercentFromKeyPoints(float percent) const;
     void currentValuesFromKeyPoints(float percent, float& effectivePercent, String& from, String& to) const;
     float calculatePercentForSpline(float percent, unsigned splineIndex) const;
     float calculatePercentForFromTo(float percent) const;
     unsigned calculateKeyTimesIndex(float percent) const;
 
     void adjustForInheritance(SVGElement* targetElement, const QualifiedName& attributeName, String&);
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGAnimationElement)
-        DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
     END_DECLARE_ANIMATED_PROPERTIES
 
     // SVGTests
     virtual void synchronizeRequiredFeatures() { SVGTests::synchronizeRequiredFeatures(this); }
     virtual void synchronizeRequiredExtensions() { SVGTests::synchronizeRequiredExtensions(this); }
     virtual void synchronizeSystemLanguage() { SVGTests::synchronizeSystemLanguage(this); }
 
     void setCalcMode(const AtomicString&);
 
     bool m_animationValid;
 
     AttributeType m_attributeType;
     Vector<String> m_values;
     // FIXME: We should probably use doubles for this, but there's no point
     // making such a change unless all SVG logic for sampling animations is
     // changed to use doubles.
     Vector<float> m_keyTimes;
     Vector<float> m_keyPoints;
     Vector<UnitBezier> m_keySplines;
     String m_lastValuesAnimationFrom;
     String m_lastValuesAnimationTo;
     bool m_hasInvalidCSSAttributeType;
     CalcMode m_calcMode;
     AnimationMode m_animationMode;
 };
 
 } // namespace WebCore
 
 #endif // SVGAnimationElement_h