Replace more ObserverList with base::ObserverList.

components/password_manager/core/browser/log_router.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 COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_LOG_ROUTER_H_
 #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_LOG_ROUTER_H_
 
 #include <set>
 #include <string>
 
@@ skipping 33 matching lines @@
   // the logs accumulated so far. (It returns by value, not const ref, to
   // provide a snapshot as opposed to a link to |accumulated_logs_|.)
   std::string RegisterReceiver(LogReceiver* receiver);
   // Remove |receiver| from the observers list.
   void UnregisterReceiver(LogReceiver* receiver);
 
  private:
   // Observer lists for clients and receivers. The |true| in the template
   // specialisation means that they will check that all observers were removed
   // on destruction.
-  ObserverList<PasswordManagerClient, true> clients_;
-  ObserverList<LogReceiver, true> receivers_;
+  base::ObserverList<PasswordManagerClient, true> clients_;
+  base::ObserverList<LogReceiver, true> receivers_;
 
   // Logs accumulated since the first receiver was registered.
   std::string accumulated_logs_;
 
   DISALLOW_COPY_AND_ASSIGN(LogRouter);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_LOG_ROUTER_H_