Replace more ObserverList with base::ObserverList.

device/media_transfer_protocol/media_transfer_protocol_manager.cc

 // 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.
 
 #include "device/media_transfer_protocol/media_transfer_protocol_manager.h"
 
 #include <algorithm>
 #include <map>
 #include <queue>
 #include <set>
@@ skipping 653 matching lines @@
 
   // Mtpd DBus client.
   scoped_ptr<MediaTransferProtocolDaemonClient> mtp_client_;
 
 #if !defined(OS_CHROMEOS)
   // And a D-Bus session for talking to mtpd.
   scoped_refptr<dbus::Bus> session_bus_;
 #endif
 
   // Device attachment / detachment observers.
-  ObserverList<Observer> observers_;
+  base::ObserverList<Observer> observers_;
 
   // Map to keep track of attached storages by name.
   StorageInfoMap storage_info_map_;
 
   // Set of open storage handles.
   std::set<std::string> handles_;
 
   dbus::Bus::GetServiceOwnerCallback mtpd_owner_changed_callback_;
 
   std::string current_mtpd_owner_;
@@ skipping 25 matching lines @@
   DCHECK(!g_media_transfer_protocol_manager);
 
   g_media_transfer_protocol_manager =
       new MediaTransferProtocolManagerImpl(task_runner);
   VLOG(1) << "MediaTransferProtocolManager initialized";
 
   return g_media_transfer_protocol_manager;
 }
 
 }  // namespace device