Replace more ObserverList with base::ObserverList.

chromeos/dbus/fake_nfc_manager_client.h

 // Copyright (c) 2013 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_NFC_MANAGER_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_NFC_MANAGER_CLIENT_H_
 
 #include <set>
 #include <string>
 
@@ skipping 34 matching lines @@
   void RemoveAdapter(const std::string& adapter_path);
 
   // Default path of an adapter that is simulated for testing.
   static const char kDefaultAdapterPath[];
 
  private:
   // Property callback passed when we create Properties* structures.
   void OnPropertyChanged(const std::string& property_name);
 
   // List of observers interested in event notifications.
-  ObserverList<Observer> observers_;
+  base::ObserverList<Observer> observers_;
 
   // Set containing the currently simulated adapters.
   std::set<dbus::ObjectPath> adapters_;
 
   // Fake properties object. This gets updated whenever AddAdapter or
   // RemoveAdapter gets called.
   scoped_ptr<Properties> properties_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeNfcManagerClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_NFC_MANAGER_CLIENT_H_