Use C++11 range-based loop in core/events

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 90 matching lines @@
     if (m_queuedEvents.isEmpty())
         m_pendingEventTimer->stop();
     return found;
 }
 
 void DOMWindowEventQueue::close()
 {
     m_isClosed = true;
     m_pendingEventTimer->stop();
     if (InspectorInstrumentation::hasFrontends()) {
-        WillBeHeapListHashSet<RefPtrWillBeMember<Event>, 16>::iterator it = m_queuedEvents.begin();
-        for (; it != m_queuedEvents.end(); ++it) {
-            RefPtrWillBeRawPtr<Event> event = *it;
+        for (const auto& queuedEvent : m_queuedEvents) {
+            RefPtrWillBeRawPtr<Event> event = queuedEvent;
             if (event)
                 InspectorInstrumentation::didRemoveEvent(event->target(), event.get());
         }
     }
     m_queuedEvents.clear();
 }
 
 void DOMWindowEventQueue::pendingEventTimerFired()
 {
     ASSERT(!m_pendingEventTimer->isActive());
@@ skipping 20 matching lines @@
 void DOMWindowEventQueue::dispatchEvent(PassRefPtrWillBeRawPtr<Event> event)
 {
     EventTarget* eventTarget = event->target();
     if (eventTarget->toDOMWindow())
         eventTarget->toDOMWindow()->dispatchEvent(event, nullptr);
     else
         eventTarget->dispatchEvent(event);
 }
 
 }