[chrome/renderer/media] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

chrome/renderer/media/cast_receiver_session.cc

 // Copyright 2015 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 "chrome/renderer/media/cast_receiver_session.h"
 
 #include "base/synchronization/waitable_event.h"
 #include "chrome/renderer/media/cast_receiver_audio_valve.h"
 #include "content/public/renderer/render_thread.h"
 #include "media/base/audio_capturer_source.h"
@@ skipping 39 matching lines @@
       const content::VideoCaptureDeliverFrameCB& frame_callback,
       scoped_refptr<base::SingleThreadTaskRunner> frame_callback_task_runner,
       const RunningCallback& running_callback) override;
   void StopCapture() override;
  private:
   const scoped_refptr<CastReceiverSession> cast_receiver_session_;
 };
 
 CastReceiverSession::CastReceiverSession()
     : delegate_(new CastReceiverSessionDelegate()),
-      io_message_loop_proxy_(
+      io_task_runner_(
           content::RenderThread::Get()->GetIOMessageLoopProxy()) {}
 
 CastReceiverSession::~CastReceiverSession() {
   // We should always be able to delete the object on the IO thread.
-  CHECK(io_message_loop_proxy_->DeleteSoon(FROM_HERE, delegate_.release()));
+  CHECK(io_task_runner_->DeleteSoon(FROM_HERE, delegate_.release()));
 }
 
 void CastReceiverSession::Start(
     const media::cast::FrameReceiverConfig& audio_config,
     const media::cast::FrameReceiverConfig& video_config,
     const net::IPEndPoint& local_endpoint,
     const net::IPEndPoint& remote_endpoint,
     scoped_ptr<base::DictionaryValue> options,
     const media::VideoCaptureFormat& capture_format,
     const StartCB& start_callback,
     const CastReceiverSessionDelegate::ErrorCallback& error_callback) {
   audio_config_ = audio_config;
   video_config_ = video_config;
   format_ = capture_format;
-  io_message_loop_proxy_->PostTask(
+  io_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&CastReceiverSessionDelegate::Start,
                  base::Unretained(delegate_.get()),
                  audio_config,
                  video_config,
                  local_endpoint,
                  remote_endpoint,
                  base::Passed(&options),
                  format_,
                  media::BindToCurrentLoop(error_callback)));
   scoped_refptr<media::AudioCapturerSource> audio(
       new CastReceiverSession::AudioCapturerSource(this));
   scoped_ptr<media::VideoCapturerSource> video(
       new CastReceiverSession::VideoCapturerSource(this));
   base::MessageLoop::current()->PostTask(
       FROM_HERE,
       base::Bind(start_callback, audio, base::Passed(&video)));
 }
 
 void CastReceiverSession::StartAudio(
     scoped_refptr<CastReceiverAudioValve> audio_valve) {
-  io_message_loop_proxy_->PostTask(
+  io_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&CastReceiverSessionDelegate::StartAudio,
                  base::Unretained(delegate_.get()),
                  audio_valve));
 }
 
 void CastReceiverSession::StartVideo(
     content::VideoCaptureDeliverFrameCB frame_callback) {
-  io_message_loop_proxy_->PostTask(
+  io_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&CastReceiverSessionDelegate::StartVideo,
                  base::Unretained(delegate_.get()),
                  frame_callback));
 }
 
 void CastReceiverSession::StopVideo() {
-  io_message_loop_proxy_->PostTask(
+  io_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&CastReceiverSessionDelegate::StopVideo,
                  base::Unretained(delegate_.get())));
 }
 
 CastReceiverSession::VideoCapturerSource::VideoCapturerSource(
     const scoped_refptr<CastReceiverSession> cast_receiver_session)
     : cast_receiver_session_(cast_receiver_session) {
 }
 
@@ skipping 62 matching lines @@
 }
 
 void CastReceiverSession::AudioCapturerSource::SetVolume(double volume) {
   // not supported
 }
 
 void CastReceiverSession::AudioCapturerSource::SetAutomaticGainControl(
     bool enable) {
   // not supported
 }