Use IdTargetObserver in SVGSMILElement

third_party/WebKit/Source/core/svg/animation/SVGSMILElement.h

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 20 matching lines @@
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGTests.h"
 #include "core/svg/animation/SMILTime.h"
 #include "platform/heap/Handle.h"
 #include "wtf/HashMap.h"
 
 namespace blink {
 
 class ConditionEventListener;
 class SMILTimeContainer;
+class IdTargetObserver;
 class SVGSMILElement;
 
 // This class implements SMIL interval timing model as needed for SVG animation.
 class CORE_EXPORT SVGSMILElement : public SVGElement, public SVGTests {
   USING_GARBAGE_COLLECTED_MIXIN(SVGSMILElement);
 
  public:
   SVGSMILElement(const QualifiedName&, Document&);
   ~SVGSMILElement() override;
 
@@ skipping 158 matching lines @@
     void disconnectEventBase(SVGSMILElement&);
 
    private:
     Condition(Type,
               BeginOrEnd,
               const AtomicString& baseID,
               const AtomicString& name,
               SMILTime offset,
               int repeat);
 
-    SVGElement* lookupEventBase(SVGSMILElement&) const;
-
     Type m_type;
     BeginOrEnd m_beginOrEnd;
     AtomicString m_baseID;
     AtomicString m_name;
     SMILTime m_offset;
     int m_repeat;
     Member<SVGElement> m_baseElement;
+    Member<IdTargetObserver> m_baseIdObserver;
     Member<ConditionEventListener> m_eventListener;
   };
   bool parseCondition(const String&, BeginOrEnd beginOrEnd);
   void parseBeginOrEnd(const String&, BeginOrEnd beginOrEnd);
 
   void disconnectSyncBaseConditions();
   void disconnectEventBaseConditions();
 
   void notifyDependentsIntervalChanged();
   void createInstanceTimesFromSyncbase(SVGSMILElement& syncbase);
   void addSyncBaseDependent(SVGSMILElement&);
   void removeSyncBaseDependent(SVGSMILElement&);
 
   enum ActiveState { Inactive, Active, Frozen };
 
   ActiveState determineActiveState(SMILTime elapsed) const;
   float calculateAnimationPercentAndRepeat(double elapsed,
                                            unsigned& repeat) const;
   SMILTime calculateNextProgressTime(double elapsed) const;
 
   Member<SVGElement> m_targetElement;
+  Member<IdTargetObserver> m_targetIdObserver;
 
   HeapVector<Member<Condition>> m_conditions;
   bool m_syncBaseConditionsConnected;
   bool m_hasEndEventConditions;
 
   bool m_isWaitingForFirstInterval;
   bool m_isScheduled;
 
   using TimeDependentSet = HeapHashSet<Member<SVGSMILElement>>;
   TimeDependentSet m_syncBaseDependents;
@@ skipping 35 matching lines @@
          element.hasTagName(SVGNames::animateMotionTag) ||
          element.hasTagName(SVGNames::animateTransformTag) ||
          element.hasTagName((SVGNames::discardTag));
 }
 
 DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGSMILElement);
 
 }  // namespace blink
 
 #endif  // SVGSMILElement_h