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

chrome/renderer/media/cast_receiver_session.cc

Index: chrome/renderer/media/cast_receiver_session.cc
diff --git a/chrome/renderer/media/cast_receiver_session.cc b/chrome/renderer/media/cast_receiver_session.cc
index d1ba653c24a0ba793a8de76a20fc421ec9816522..f374549881b16b628a3eddd13eb879b63d4503a9 100644
--- a/chrome/renderer/media/cast_receiver_session.cc
+++ b/chrome/renderer/media/cast_receiver_session.cc
@@ -57,12 +57,12 @@ class CastReceiverSession::VideoCapturerSource :
 
 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(
@@ -77,7 +77,7 @@ void CastReceiverSession::Start(
   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()),
@@ -99,7 +99,7 @@ void CastReceiverSession::Start(
 
 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()),
@@ -108,7 +108,7 @@ void CastReceiverSession::StartAudio(
 
 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()),
@@ -116,7 +116,7 @@ void CastReceiverSession::StartVideo(
 }
 
 void CastReceiverSession::StopVideo() {
-  io_message_loop_proxy_->PostTask(
+  io_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&CastReceiverSessionDelegate::StopVideo,
                  base::Unretained(delegate_.get())));