Refactor Timer classes in preparation for landing FrameTimers.

third_party/WebKit/Source/core/dom/Fullscreen.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 613 matching lines @@
 {
     Event* event;
     if (requestType == UnprefixedRequest)
         event = createEvent(EventTypeNames::fullscreenerror, element.document());
     else
         event = createEvent(EventTypeNames::webkitfullscreenerror, element);
     m_eventQueue.append(event);
     m_eventQueueTimer.startOneShot(0, BLINK_FROM_HERE);
 }
 
-void Fullscreen::eventQueueTimerFired(Timer<Fullscreen>*)
+void Fullscreen::eventQueueTimerFired(TimerBase*)
 {
     HeapDeque<Member<Event>> eventQueue;
     m_eventQueue.swap(eventQueue);
 
     while (!eventQueue.isEmpty()) {
         Event* event = eventQueue.takeFirst();
         Node* target = event->target()->toNode();
 
         // If the element was removed from our tree, also message the documentElement.
         if (!target->isConnected() && document()->documentElement()) {
@@ skipping 49 matching lines @@
 DEFINE_TRACE(Fullscreen)
 {
     visitor->trace(m_fullScreenElement);
     visitor->trace(m_fullScreenElementStack);
     visitor->trace(m_eventQueue);
     Supplement<Document>::trace(visitor);
     ContextLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink