Refactor Timer classes in preparation for landing FrameTimers.

third_party/WebKit/Source/core/timing/PerformanceBase.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 105 matching lines @@
 
     bool isResourceTimingBufferFull();
     void addResourceTimingBuffer(PerformanceEntry&);
 
     bool isFrameTimingBufferFull();
     void addFrameTimingBuffer(PerformanceEntry&);
 
     void notifyObserversOfEntry(PerformanceEntry&);
     bool hasObserverFor(PerformanceEntry::EntryType);
 
-    void deliverObservationsTimerFired(Timer<PerformanceBase>*);
+    void deliverObservationsTimerFired(TimerBase*);
 
     PerformanceEntryVector m_frameTimingBuffer;
     unsigned m_frameTimingBufferSize;
     PerformanceEntryVector m_resourceTimingBuffer;
     unsigned m_resourceTimingBufferSize;
     double m_timeOrigin;
 
     Member<UserTiming> m_userTiming;
 
     PerformanceEntryTypeMask m_observerFilterOptions;
     PerformanceObservers m_observers;
     PerformanceObservers m_activeObservers;
     PerformanceObservers m_suspendedObservers;
     Timer<PerformanceBase> m_deliverObservationsTimer;
 };
 
 } // namespace blink
 
 #endif // PerformanceBase_h