Refactor Timer classes in preparation for landing FrameTimers.

third_party/WebKit/Source/core/events/GenericEventQueue.cpp

 /*
  * Copyright (C) 2012 Victor Carbune (victor@rosedu.org)
  *
  * 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 72 matching lines @@
         m_pendingEvents.remove(m_pendingEvents.find(event));
         TRACE_EVENT_ASYNC_END2("event", "GenericEventQueue:enqueueEvent", event, "type", event->type().ascii(), "status", "cancelled");
     }
 
     if (m_pendingEvents.isEmpty())
         m_timer.stop();
 
     return found;
 }
 
-void GenericEventQueue::timerFired(Timer<GenericEventQueue>*)
+void GenericEventQueue::timerFired(TimerBase*)
 {
     ASSERT(!m_timer.isActive());
     ASSERT(!m_pendingEvents.isEmpty());
 
     HeapVector<Member<Event>> pendingEvents;
     m_pendingEvents.swap(pendingEvents);
 
     for (const auto& pendingEvent : pendingEvents) {
         Event* event = pendingEvent.get();
         EventTarget* target = event->target() ? event->target() : m_owner.get();
@@ skipping 23 matching lines @@
     }
     m_pendingEvents.clear();
 }
 
 bool GenericEventQueue::hasPendingEvents() const
 {
     return m_pendingEvents.size();
 }
 
 } // namespace blink