Refactor Timer classes in preparation for landing FrameTimers.

third_party/WebKit/Source/modules/speech/testing/PlatformSpeechSynthesizerMock.h

 /*
  * Copyright (C) 2013 Apple Computer, 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 34 matching lines @@
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit PlatformSpeechSynthesizerMock(PlatformSpeechSynthesizerClient*);
 
     void initializeVoiceList() override;
 
     void speakNext();
     void speakNow();
 
-    void speakingErrorOccurred(Timer<PlatformSpeechSynthesizerMock>*);
-    void speakingFinished(Timer<PlatformSpeechSynthesizerMock>*);
+    void speakingErrorOccurred(TimerBase*);
+    void speakingFinished(TimerBase*);
 
     Timer<PlatformSpeechSynthesizerMock> m_speakingErrorOccurredTimer;
     Timer<PlatformSpeechSynthesizerMock> m_speakingFinishedTimer;
 
     Member<PlatformSpeechSynthesisUtterance> m_currentUtterance;
     HeapDeque<Member<PlatformSpeechSynthesisUtterance>> m_queuedUtterances;
 };
 
 } // namespace blink
 
 #endif // PlatformSpeechSynthesizer_h