Move parts of core/dom to C++11

Source/core/dom/DocumentLifecycleNotifier.h

 /*
  * Copyright (C) 2013 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 31 matching lines @@
 #if !ENABLE(OILPAN)
     void notifyDocumentWasDisposed();
 #endif
 
     virtual void addObserver(Observer*) override final;
     virtual void removeObserver(Observer*) override final;
 
 private:
     explicit DocumentLifecycleNotifier(Document*);
 
-    typedef HashSet<DocumentLifecycleObserver*> DocumentObserverSet;
+    using DocumentObserverSet = HashSet<DocumentLifecycleObserver*>;
     DocumentObserverSet m_documentObservers;
 };
 
 inline PassOwnPtr<DocumentLifecycleNotifier> DocumentLifecycleNotifier::create(Document* document)
 {
     return adoptPtr(new DocumentLifecycleNotifier(document));
 }
 
 inline void DocumentLifecycleNotifier::notifyDocumentWasDetached()
 {
     TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDocumentObservers);
-    for (DocumentObserverSet::iterator i = m_documentObservers.begin(); i != m_documentObservers.end(); ++i)
-        (*i)->documentWasDetached();
+    for (DocumentLifecycleObserver* observer : m_documentObservers)
+        observer->documentWasDetached();
 }
 
 #if !ENABLE(OILPAN)
 inline void DocumentLifecycleNotifier::notifyDocumentWasDisposed()
 {
     TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDocumentObservers);
-    for (DocumentObserverSet::iterator i = m_documentObservers.begin(); i != m_documentObservers.end(); ++i)
-        (*i)->documentWasDisposed();
+    for (DocumentLifecycleObserver* observer : m_documentObservers)
+        observer->documentWasDisposed();
 }
 #endif
 
 } // namespace blink
 
 #endif // DocumentLifecycleNotifier_h