Use C++11 range-based loop for core/css

Source/core/css/MediaQueryList.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 85 matching lines @@
     RefPtrWillBeRawPtr<MediaQueryList> protect(this);
     m_listeners.clear();
     removeAllEventListeners();
 }
 
 bool MediaQueryList::mediaFeaturesChanged(WillBeHeapVector<RefPtrWillBeMember<MediaQueryListListener> >* listenersToNotify)
 {
     m_matchesDirty = true;
     if (!updateMatches())
         return false;
-    for (ListenerList::const_iterator it = m_listeners.begin(), end = m_listeners.end(); it != end; ++it) {
-        listenersToNotify->append(*it);
+    for (const auto& listener : m_listeners) {
+        listenersToNotify->append(listener);
     }
     return hasEventListeners(EventTypeNames::change);
 }
 
 bool MediaQueryList::updateMatches()
 {
     m_matchesDirty = false;
     if (m_matches != m_matcher->evaluate(m_media.get())) {
         m_matches = !m_matches;
         return true;
@@ skipping 21 matching lines @@
 {
     return EventTargetNames::MediaQueryList;
 }
 
 ExecutionContext* MediaQueryList::executionContext() const
 {
     return ActiveDOMObject::executionContext();
 }
 
 }