Oilpan: promptly finalize remaining SuspendableTimers.

Source/core/events/DOMWindowEventQueue.cpp

 /*
  * Copyright (C) 2010 Google 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 22 matching lines @@
 #include "core/inspector/InspectorInstrumentation.h"
 
 namespace blink {
 
 class DOMWindowEventQueueTimer final : public NoBaseWillBeGarbageCollectedFinalized<DOMWindowEventQueueTimer>, public SuspendableTimer {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DOMWindowEventQueueTimer);
     WTF_MAKE_NONCOPYABLE(DOMWindowEventQueueTimer);
 public:
     DOMWindowEventQueueTimer(DOMWindowEventQueue* eventQueue, ExecutionContext* context)
         : SuspendableTimer(context)
-        , m_eventQueue(eventQueue) { }
+        , m_eventQueue(eventQueue)
+    {
+    }
+
+    // Eager finalization is needed to promptly stop this timer object.
+    // (see DOMTimer comment for more.)
+    EAGERLY_FINALIZE();
     DEFINE_INLINE_VIRTUAL_TRACE()
     {
         visitor->trace(m_eventQueue);
         SuspendableTimer::trace(visitor);
     }
 
 private:
     virtual void fired() { m_eventQueue->pendingEventTimerFired(); }
 
     RawPtrWillBeMember<DOMWindowEventQueue> m_eventQueue;
@@ skipping 94 matching lines @@
 void DOMWindowEventQueue::dispatchEvent(PassRefPtrWillBeRawPtr<Event> event)
 {
     EventTarget* eventTarget = event->target();
     if (eventTarget->toDOMWindow())
         eventTarget->toDOMWindow()->dispatchEvent(event, nullptr);
     else
         eventTarget->dispatchEvent(event);
 }
 
 }