Replace more ObserverList with base::ObserverList.

net/proxy/proxy_config_service_linux.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 NET_PROXY_PROXY_CONFIG_SERVICE_LINUX_H_
 #define NET_PROXY_PROXY_CONFIG_SERVICE_LINUX_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 248 matching lines @@
     // sources are added by g_timeout_add and g_idle_add, and returned by
     // g_main_context_default. gconf uses glib timeouts and idles and possibly
     // other callbacks that will all be dispatched on this thread. Since gconf
     // is not thread safe, any use of gconf must be done on the thread running
     // this loop.
     scoped_refptr<base::SingleThreadTaskRunner> glib_task_runner_;
     // Task runner for the IO thread. GetLatestProxyConfig() is called from
     // the thread running this loop.
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
-    ObserverList<Observer> observers_;
+    base::ObserverList<Observer> observers_;
 
     DISALLOW_COPY_AND_ASSIGN(Delegate);
   };
 
   // Thin wrapper shell around Delegate.
 
   // Usual constructor
   ProxyConfigServiceLinux();
   // For testing: take alternate setting and env var getter implementations.
   explicit ProxyConfigServiceLinux(base::Environment* env_var_getter);
@@ skipping 23 matching lines @@
 
  private:
   scoped_refptr<Delegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyConfigServiceLinux);
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_CONFIG_SERVICE_LINUX_H_