Replace more ObserverList with base::ObserverList.

chromeos/dbus/fake_bluetooth_media_transport_client.h

 // Copyright 2014 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_FAKE_BLUETOOTH_MEDIA_TRANSPORT_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_BLUETOOTH_MEDIA_TRANSPORT_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 120 matching lines @@
   // Map of endpoints with valid transport. Each pair is composed of an endpoint
   // path and a Transport structure containing a transport path and its
   // properties.
   std::map<dbus::ObjectPath, Transport*> endpoint_to_transport_map_;
 
   // Map of valid transports. Each pair is composed of a transport path as the
   // key and an endpoint path as the value. This map is used to get the
   // corresponding endpoint path when GetProperties() is called.
   std::map<dbus::ObjectPath, dbus::ObjectPath> transport_to_endpoint_map_;
 
-  ObserverList<BluetoothMediaTransportClient::Observer> observers_;
+  base::ObserverList<BluetoothMediaTransportClient::Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeBluetoothMediaTransportClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_BLUETOOTH_MEDIA_TRANSPORT_CLIENT_H_