Replace more ObserverList with base::ObserverList.

remoting/host/chromoting_host.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 REMOTING_HOST_CHROMOTING_HOST_H_
 #define REMOTING_HOST_CHROMOTING_HOST_H_
 
 #include <list>
 #include <string>
 
@@ skipping 167 matching lines @@
   scoped_refptr<base::SingleThreadTaskRunner> input_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> video_encode_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
 
   // Connection objects.
   SignalStrategy* signal_strategy_;
 
   // Must be used on the network thread only.
-  ObserverList<HostStatusObserver> status_observers_;
+  base::ObserverList<HostStatusObserver> status_observers_;
 
   // The connections to remote clients.
   ClientList clients_;
 
   // True if the host has been started.
   bool started_;
 
   // Configuration of the protocol.
   scoped_ptr<protocol::CandidateSessionConfig> protocol_config_;
 
@@ skipping 17 matching lines @@
   HostExtensionList extensions_;
 
   base::WeakPtrFactory<ChromotingHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingHost);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CHROMOTING_HOST_H_