components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/html_viewer/media_factory.cc

 // 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.
 
 #include "components/html_viewer/media_factory.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
@@ skipping 151 matching lines @@
   // TODO(dalecurtis): Replace this with an interface to an actual mojo service;
   // the AudioOutputStreamSink will not work in sandboxed processes.
   return new media::AudioOutputStreamSink();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 MediaFactory::GetMediaThreadTaskRunner() {
   if (!media_thread_.IsRunning())
     media_thread_.Start();
 
-  return media_thread_.message_loop_proxy();
+  return media_thread_.task_runner();
 }
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace html_viewer