Replace more ObserverList with base::ObserverList.

content/browser/media/webrtc_internals.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 CONTENT_BROWSER_MEDIA_WEBRTC_INTERNALS_H_
 #define CONTENT_BROWSER_MEDIA_WEBRTC_INTERNALS_H_
 
 #include "base/containers/hash_tables.h"
 #include "base/gtest_prod_util.h"
 #include "base/lazy_instance.h"
@@ skipping 119 matching lines @@
 #if defined(ENABLE_WEBRTC)
   // Enables AEC dump on all render process hosts using |aec_dump_file_path_|.
   void EnableAecDumpOnAllRenderProcessHosts();
 #endif
 
   // Called whenever an element is added to or removed from
   // |peer_connection_data_| to impose/release a block on suspending the current
   // application for power-saving.
   void CreateOrReleasePowerSaveBlocker();
 
-  ObserverList<WebRTCInternalsUIObserver> observers_;
+  base::ObserverList<WebRTCInternalsUIObserver> observers_;
 
   // |peer_connection_data_| is a list containing all the PeerConnection
   // updates.
   // Each item of the list represents the data for one PeerConnection, which
   // contains these fields:
   // "rid" -- the renderer id.
   // "pid" -- OS process id of the renderer that creates the PeerConnection.
   // "lid" -- local Id assigned to the PeerConnection.
   // "url" -- url of the web page that created the PeerConnection.
   // "servers" and "constraints" -- server configuration and media constraints
@@ skipping 25 matching lines @@
   // remoting.
   scoped_ptr<PowerSaveBlocker> power_save_blocker_;
 
   // Set of render process hosts that |this| is registered as an observer on.
   base::hash_set<int> render_process_id_set_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_WEBRTC_INTERNALS_H_