Removes tracking for fake audio streams.

media/audio/fake_audio_output_stream.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.
 
 #include "media/audio/fake_audio_output_stream.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/time/time.h"
-#include "media/audio/audio_manager_base.h"
 
 namespace media {
 
 // static
 AudioOutputStream* FakeAudioOutputStream::MakeFakeStream(
-    AudioManagerBase* manager, const AudioParameters& params) {
-  return new FakeAudioOutputStream(manager, params);
+    const scoped_refptr<base::SingleThreadTaskRunner>& audio_task_runner,
+    const scoped_refptr<base::SingleThreadTaskRunner>& worker_task_runner,
+    const AudioParameters& params) {
+  return new FakeAudioOutputStream(audio_task_runner, worker_task_runner,
+                                   params);
 }
 
-FakeAudioOutputStream::FakeAudioOutputStream(AudioManagerBase* manager,
-                                             const AudioParameters& params)
-    : audio_manager_(manager),
-      callback_(NULL),
-      fake_worker_(manager->GetWorkerTaskRunner(), params),
+FakeAudioOutputStream::FakeAudioOutputStream(
+    const scoped_refptr<base::SingleThreadTaskRunner>& audio_task_runner,
+    const scoped_refptr<base::SingleThreadTaskRunner>& worker_task_runner,
+    const AudioParameters& params)
+    : callback_(NULL),
+      fake_worker_(worker_task_runner, params),
+      audio_task_runner_(audio_task_runner),
+      worker_task_runner_(worker_task_runner),
       audio_bus_(AudioBus::Create(params)) {
+  DCHECK(audio_task_runner_->BelongsToCurrentThread());
 }
 
 FakeAudioOutputStream::~FakeAudioOutputStream() {
+  DCHECK(audio_task_runner_->BelongsToCurrentThread());
   DCHECK(!callback_);
 }
 
 bool FakeAudioOutputStream::Open() {
-  DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
+  DCHECK(audio_task_runner_->BelongsToCurrentThread());
   audio_bus_->Zero();
   return true;
 }
 
 void FakeAudioOutputStream::Start(AudioSourceCallback* callback)  {
-  DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
+  DCHECK(audio_task_runner_->BelongsToCurrentThread());
   callback_ = callback;
   fake_worker_.Start(base::Bind(
       &FakeAudioOutputStream::CallOnMoreData, base::Unretained(this)));
 }
 
 void FakeAudioOutputStream::Stop() {
-  DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
+  DCHECK(audio_task_runner_->BelongsToCurrentThread());
   fake_worker_.Stop();
   callback_ = NULL;
 }
 
 void FakeAudioOutputStream::Close() {
+  DCHECK(audio_task_runner_->BelongsToCurrentThread());
   DCHECK(!callback_);
-  DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
-  audio_manager_->ReleaseOutputStream(this);
+  delete this;
 }
 
 void FakeAudioOutputStream::SetVolume(double volume) {}
 
 void FakeAudioOutputStream::GetVolume(double* volume) {
   *volume = 0;
 }
 
 void FakeAudioOutputStream::CallOnMoreData() {
-  DCHECK(audio_manager_->GetWorkerTaskRunner()->BelongsToCurrentThread());
+  DCHECK(worker_task_runner_->BelongsToCurrentThread());
   callback_->OnMoreData(base::TimeDelta(), base::TimeTicks::Now(), 0,
                         audio_bus_.get());
 }
 
 }  // namespace media