Replace MessageLoopProxy with SingleThreadTaskRunner for the rest of media/.

media/audio/linux/alsa_output.cc

 // 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.
 //
 // THREAD SAFETY
 //
 // AlsaPcmOutputStream object is *not* thread-safe and should only be used
 // from the audio thread.  We DCHECK on this assumption whenever we can.
 //
 // SEMANTICS OF Close()
@@ skipping 21 matching lines @@
 // view, it will seem that the device has just clogged and stopped requesting
 // data.
 
 #include "media/audio/linux/alsa_output.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "base/time/time.h"
 #include "media/audio/linux/alsa_util.h"
 #include "media/audio/linux/alsa_wrapper.h"
 #include "media/audio/linux/audio_manager_linux.h"
 #include "media/base/channel_mixer.h"
 #include "media/base/data_buffer.h"
 #include "media/base/seekable_buffer.h"
 
 namespace media {
@@ skipping 99 matching lines @@
       wrapper_(wrapper),
       manager_(manager),
       message_loop_(base::MessageLoop::current()),
       playback_handle_(NULL),
       frames_per_packet_(packet_size_ / bytes_per_frame_),
       weak_factory_(this),
       state_(kCreated),
       volume_(1.0f),
       source_callback_(NULL),
       audio_bus_(AudioBus::Create(params)) {
-  DCHECK(manager_->GetMessageLoop()->BelongsToCurrentThread());
+  DCHECK(manager_->GetTaskRunner()->BelongsToCurrentThread());
   DCHECK_EQ(audio_bus_->frames() * bytes_per_frame_, packet_size_);
 
   // Sanity check input values.
   if (!params.IsValid()) {
     LOG(WARNING) << "Unsupported audio parameters.";
     TransitionTo(kInError);
   }
 
   if (pcm_format_ == SND_PCM_FORMAT_UNKNOWN) {
     LOG(WARNING) << "Unsupported bits per sample: " << params.bits_per_sample();
@@ skipping 583 matching lines @@
 }
 
 // Changes the AudioSourceCallback to proxy calls to.  Pass in NULL to
 // release ownership of the currently registered callback.
 void AlsaPcmOutputStream::set_source_callback(AudioSourceCallback* callback) {
   DCHECK(IsOnAudioThread());
   source_callback_ = callback;
 }
 
 }  // namespace media