Lock animated property type of result animation during processing

third_party/WebKit/Source/core/svg/SVGDiscardElement.h

 /*
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 29 matching lines @@
 public:
     DECLARE_NODE_FACTORY(SVGDiscardElement);
 
     bool isSVGDiscardElement() const override { return true; }
 private:
     explicit SVGDiscardElement(Document&);
 
     void resetAnimatedType() override { }
     void clearAnimatedType() override { }
     void applyResultsToTarget() override { }
+    void lockAnimatedType() override { }
+    void unlockAnimatedType() override { }
     bool hasValidAttributeType() override;
     bool hasValidAttributeName() override;
     void animationAttributeChanged() override { }
 
     void startedActiveInterval() override { }
     void updateAnimation(float percent, unsigned repeat, SVGSMILElement* resultElement) override { }
 };
 
 } // namespace blink
 
 #endif // SVGDiscardElement_h