Replace more ObserverList with base::ObserverList.

chromeos/dbus/fake_bluetooth_media_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_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_BLUETOOTH_MEDIA_CLIENT_H_
 
 #include <map>
 
 #include "base/callback.h"
@@ skipping 48 matching lines @@
 
   // The path of the media object.
   dbus::ObjectPath object_path_;
 
   // Map of registered endpoints. Each pair is composed of an endpoint path as
   // key and a pointer to the endpoint as value.
   std::map<dbus::ObjectPath, FakeBluetoothMediaEndpointServiceProvider*>
       endpoints_;
 
   // List of observers interested in event notifications from us.
-  ObserverList<BluetoothMediaClient::Observer> observers_;
+  base::ObserverList<BluetoothMediaClient::Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeBluetoothMediaClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_BLUETOOTH_MEDIA_CLIENT_H_