Change media MessageLoopProxy usage to SingleThreadTaskRunners.

content/renderer/media/android/renderer_demuxer_android.cc

Index: content/renderer/media/android/renderer_demuxer_android.cc
diff --git a/content/renderer/media/android/renderer_demuxer_android.cc b/content/renderer/media/android/renderer_demuxer_android.cc
index 586d7fa44d222141e0b684ae93764877ced9940c..6d40b202480a67d3bf9a902549f248cf33dc4083 100644
--- a/content/renderer/media/android/renderer_demuxer_android.cc
+++ b/content/renderer/media/android/renderer_demuxer_android.cc
@@ -5,8 +5,7 @@
 #include "content/renderer/media/android/renderer_demuxer_android.h"
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/common/media/media_player_messages_android.h"
 #include "content/renderer/media/android/media_source_delegate.h"
@@ -18,8 +17,8 @@ namespace content {
 
 RendererDemuxerAndroid::RendererDemuxerAndroid()
     : thread_safe_sender_(RenderThreadImpl::current()->thread_safe_sender()),
-      media_message_loop_(
-          RenderThreadImpl::current()->GetMediaThreadMessageLoopProxy()) {}
+      media_task_runner_(
+          RenderThreadImpl::current()->GetMediaThreadTaskRunner()) {}
 
 RendererDemuxerAndroid::~RendererDemuxerAndroid() {}
 
@@ -30,12 +29,12 @@ int RendererDemuxerAndroid::GetNextDemuxerClientID() {
 
 void RendererDemuxerAndroid::AddDelegate(int demuxer_client_id,
                                          MediaSourceDelegate* delegate) {
-  DCHECK(media_message_loop_->BelongsToCurrentThread());
+  DCHECK(media_task_runner_->BelongsToCurrentThread());
   delegates_.AddWithID(delegate, demuxer_client_id);
 }
 
 void RendererDemuxerAndroid::RemoveDelegate(int demuxer_client_id) {
-  DCHECK(media_message_loop_->BelongsToCurrentThread());
+  DCHECK(media_task_runner_->BelongsToCurrentThread());
   delegates_.Remove(demuxer_client_id);
 }
 
@@ -43,7 +42,7 @@ bool RendererDemuxerAndroid::OnMessageReceived(const IPC::Message& message) {
   switch (message.type()) {
     case MediaPlayerMsg_DemuxerSeekRequest::ID:
     case MediaPlayerMsg_ReadFromDemuxer::ID:
-      media_message_loop_->PostTask(FROM_HERE, base::Bind(
+      media_task_runner_->PostTask(FROM_HERE, base::Bind(
           &RendererDemuxerAndroid::DispatchMessage, this, message));
       return true;
    }