Convert SMILTimeContainer timers to UnspecedTimer frame-specific timer.

third_party/WebKit/Source/core/svg/animation/SMILTimeContainer.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 114 matching lines @@
   double m_presentationTime;
   // The time on the document timeline corresponding to |m_presentationTime|.
   double m_referenceTime;
 
   FrameSchedulingState m_frameSchedulingState;
   bool m_started;  // The timeline has been started.
   bool m_paused;   // The timeline is paused.
 
   bool m_documentOrderIndexesDirty;
 
-  Timer<SMILTimeContainer> m_wakeupTimer;
-  Timer<SMILTimeContainer> m_animationPolicyOnceTimer;
+  TaskRunnerTimer<SMILTimeContainer> m_wakeupTimer;
+  TaskRunnerTimer<SMILTimeContainer> m_animationPolicyOnceTimer;
 
   using ElementAttributePair = std::pair<WeakMember<SVGElement>, QualifiedName>;
   using AnimationsLinkedHashSet = HeapLinkedHashSet<WeakMember<SVGSMILElement>>;
   using GroupedAnimationsMap =
       HeapHashMap<ElementAttributePair, Member<AnimationsLinkedHashSet>>;
   GroupedAnimationsMap m_scheduledAnimations;
 
   Member<SVGSVGElement> m_ownerSVGElement;
 
 #if DCHECK_IS_ON()
   bool m_preventScheduledAnimationsChanges = false;
 #endif
 };
 }  // namespace blink
 
 #endif  // SMILTimeContainer_h