Replace more ObserverList with base::ObserverList.

chromeos/dbus/shill_client_helper.h

 // Copyright (c) 2012 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 CHROMEOS_DBUS_SHILL_CLIENT_HELPER_H_
 #define CHROMEOS_DBUS_SHILL_CLIENT_HELPER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 157 matching lines @@
                          const std::string& signal,
                          bool success);
 
   // Handles PropertyChanged signal.
   void OnPropertyChanged(dbus::Signal* signal);
 
   dbus::ObjectProxy* proxy_;
   ReleasedCallback released_callback_;
   int active_refs_;
   PropertyChangedHandler property_changed_handler_;
-  ObserverList<ShillPropertyChangedObserver, true /* check_empty */>
+  base::ObserverList<ShillPropertyChangedObserver, true /* check_empty */>
       observer_list_;
   std::vector<std::string> interfaces_to_be_monitored_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<ShillClientHelper> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ShillClientHelper);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_SHILL_CLIENT_HELPER_H_