Move some files in base to base/memory.

base/observer_list_threadsafe.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_OBSERVER_LIST_THREADSAFE_H_
 #define BASE_OBSERVER_LIST_THREADSAFE_H_
 #pragma once
 
 #include <algorithm>
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/logging.h"
+#include "base/memory/ref_counted.h"
 #include "base/message_loop.h"
 #include "base/observer_list.h"
-#include "base/ref_counted.h"
 #include "base/task.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 // OVERVIEW:
 //
 //   A thread-safe container for a list of observers.
 //   This is similar to the observer_list (see observer_list.h), but it
 //   is more robust for multi-threaded situations.
 //
@@ skipping 22 matching lines @@
 //
 ///////////////////////////////////////////////////////////////////////////////
 
 // Forward declaration for ObserverListThreadSafeTraits.
 template <class ObserverType>
 class ObserverListThreadSafe;
 
 // This class is used to work around VS2005 not accepting:
 //
 // friend class
-//     base::RefCountedThreadSafe<ObserverListThreadSafe<ObserverType> >;
+//    base::RefCountedThreadSafe<ObserverListThreadSafe<ObserverType> >;
 //
 // Instead of friending the class, we could friend the actual function
 // which calls delete.  However, this ends up being
 // RefCountedThreadSafe::DeleteInternal(), which is private.  So we
 // define our own templated traits class so we can friend it.
 template <class T>
 struct ObserverListThreadSafeTraits {
   static void Destruct(const ObserverListThreadSafe<T>* x) {
     delete x;
   }
@@ skipping 155 matching lines @@
 
   // These are marked mutable to facilitate having NotifyAll be const.
   base::Lock list_lock_;  // Protects the observer_lists_.
   ObserversListMap observer_lists_;
   const NotificationType type_;
 
   DISALLOW_COPY_AND_ASSIGN(ObserverListThreadSafe);
 };
 
 #endif  // BASE_OBSERVER_LIST_THREADSAFE_H_