content/child: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/renderer/pepper/pepper_platform_audio_input.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 CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_INPUT_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_INPUT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "media/audio/audio_input_ipc.h"
 #include "media/audio/audio_parameters.h"
 
 class GURL;
 
 namespace base {
+class SingleThreadTaskRunner;
 class MessageLoopProxy;
 }
 
 namespace media {
 class AudioParameters;
 }
 
 namespace content {
 
 class PepperAudioInputHost;
@@ skipping 66 matching lines @@
 
   // The client to notify when the stream is created. THIS MUST ONLY BE
   // ACCESSED ON THE MAIN THREAD.
   PepperAudioInputHost* client_;
 
   // Used to send/receive IPC. THIS MUST ONLY BE ACCESSED ON THE
   // I/O THREAD.
   scoped_ptr<media::AudioInputIPC> ipc_;
 
   scoped_refptr<base::MessageLoopProxy> main_message_loop_proxy_;
-  scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy_;
+  scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
   // The frame containing the Pepper widget.
   int render_frame_id_;
 
   // The unique ID to identify the opened device. THIS MUST ONLY BE ACCESSED ON
   // THE MAIN THREAD.
   std::string label_;
 
   // Initialized on the main thread and accessed on the I/O thread afterwards.
   media::AudioParameters params_;
 
   // Whether we have tried to create an audio stream. THIS MUST ONLY BE ACCESSED
   // ON THE I/O THREAD.
   bool create_stream_sent_;
 
   // Whether we have a pending request to open a device. We have to make sure
   // there isn't any pending request before this object goes away.
   // THIS MUST ONLY BE ACCESSED ON THE MAIN THREAD.
   bool pending_open_device_;
   // THIS MUST ONLY BE ACCESSED ON THE MAIN THREAD.
   int pending_open_device_id_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPlatformAudioInput);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_INPUT_H_