Replace MessageLoopProxy with SingleThreadTaskRunner for the rest of media/.

media/audio/audio_output_dispatcher_impl.cc

Index: media/audio/audio_output_dispatcher_impl.cc
diff --git a/media/audio/audio_output_dispatcher_impl.cc b/media/audio/audio_output_dispatcher_impl.cc
index 5118bef71e9240801c4f91797e56cb52f2240296..d2e1d1c6c66f6bf35e7dae2e73e03a14e62d8888 100644
--- a/media/audio/audio_output_dispatcher_impl.cc
+++ b/media/audio/audio_output_dispatcher_impl.cc
@@ -8,7 +8,7 @@
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
-#include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/time/time.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_output_proxy.h"
@@ -41,7 +41,7 @@ AudioOutputDispatcherImpl::~AudioOutputDispatcherImpl() {
 }
 
 bool AudioOutputDispatcherImpl::OpenStream() {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
 
   // Ensure that there is at least one open stream.
   if (idle_streams_.empty() && !CreateAndOpenStream())
@@ -55,7 +55,7 @@ bool AudioOutputDispatcherImpl::OpenStream() {
 bool AudioOutputDispatcherImpl::StartStream(
     AudioOutputStream::AudioSourceCallback* callback,
     AudioOutputProxy* stream_proxy) {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(proxy_to_physical_map_.find(stream_proxy) ==
          proxy_to_physical_map_.end());
 
@@ -82,7 +82,7 @@ bool AudioOutputDispatcherImpl::StartStream(
 }
 
 void AudioOutputDispatcherImpl::StopStream(AudioOutputProxy* stream_proxy) {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
 
   AudioStreamMap::iterator it = proxy_to_physical_map_.find(stream_proxy);
   DCHECK(it != proxy_to_physical_map_.end());
@@ -99,7 +99,7 @@ void AudioOutputDispatcherImpl::StopStream(AudioOutputProxy* stream_proxy) {
 
 void AudioOutputDispatcherImpl::StreamVolumeSet(AudioOutputProxy* stream_proxy,
                                                 double volume) {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
   AudioStreamMap::iterator it = proxy_to_physical_map_.find(stream_proxy);
   if (it != proxy_to_physical_map_.end()) {
     AudioOutputStream* physical_stream = it->second;
@@ -109,7 +109,7 @@ void AudioOutputDispatcherImpl::StreamVolumeSet(AudioOutputProxy* stream_proxy,
 }
 
 void AudioOutputDispatcherImpl::CloseStream(AudioOutputProxy* stream_proxy) {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
 
   DCHECK_GT(idle_proxies_, 0u);
   --idle_proxies_;
@@ -121,7 +121,7 @@ void AudioOutputDispatcherImpl::CloseStream(AudioOutputProxy* stream_proxy) {
 }
 
 void AudioOutputDispatcherImpl::Shutdown() {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
 
   // Close all idle streams immediately.  The |close_timer_| will handle
   // invalidating any outstanding tasks upon its destruction.
@@ -129,7 +129,7 @@ void AudioOutputDispatcherImpl::Shutdown() {
 }
 
 bool AudioOutputDispatcherImpl::CreateAndOpenStream() {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
   AudioOutputStream* stream = audio_manager_->MakeAudioOutputStream(
       params_, output_device_id_, input_device_id_);
   if (!stream)
@@ -150,12 +150,12 @@ bool AudioOutputDispatcherImpl::CreateAndOpenStream() {
 }
 
 void AudioOutputDispatcherImpl::CloseAllIdleStreams() {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
   CloseIdleStreams(0);
 }
 
 void AudioOutputDispatcherImpl::CloseIdleStreams(size_t keep_alive) {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
   if (idle_streams_.size() <= keep_alive)
     return;
   for (size_t i = keep_alive; i < idle_streams_.size(); ++i) {
@@ -171,12 +171,12 @@ void AudioOutputDispatcherImpl::CloseIdleStreams(size_t keep_alive) {
 }
 
 void AudioOutputDispatcherImpl::CloseStreamsForWedgeFix() {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
   CloseAllIdleStreams();
 }
 
 void AudioOutputDispatcherImpl::RestartStreamsForWedgeFix() {
-  DCHECK(message_loop_->BelongsToCurrentThread());
+  DCHECK(task_runner_->BelongsToCurrentThread());
 
   // Should only be called when the dispatcher is used with fake streams which
   // don't need to be shutdown or restarted.