stopping the audio thread before destroying the AudioManager<Platform>

media/audio/fake_audio_input_stream.cc

Index: media/audio/fake_audio_input_stream.cc
diff --git a/media/audio/fake_audio_input_stream.cc b/media/audio/fake_audio_input_stream.cc
index b9b271ba670187f723a27fdfe614a24d9bd81ce3..f1284f1acb3f412c1c805092c723d348557020a3 100644
--- a/media/audio/fake_audio_input_stream.cc
+++ b/media/audio/fake_audio_input_stream.cc
@@ -5,26 +5,26 @@
 #include "media/audio/fake_audio_input_stream.h"
 
 #include "base/bind.h"
+#include "media/audio/audio_manager_base.h"
 
 using base::Time;
 using base::TimeDelta;
 
 AudioInputStream* FakeAudioInputStream::MakeFakeStream(
+    AudioManagerBase* manager,
     const AudioParameters& params) {
-  return new FakeAudioInputStream(params);
+  return new FakeAudioInputStream(manager, params);
 }
 
-FakeAudioInputStream::FakeAudioInputStream(const AudioParameters& params)
-    : callback_(NULL),
+FakeAudioInputStream::FakeAudioInputStream(AudioManagerBase* manager,
+                                           const AudioParameters& params)
+    : audio_manager_(manager),
+      callback_(NULL),
       buffer_size_((params.channels * params.bits_per_sample *
                     params.samples_per_packet) / 8),
       thread_("FakeAudioRecordingThread"),
       callback_interval_(base::TimeDelta::FromMilliseconds(
           (params.samples_per_packet * 1000) / params.sample_rate)) {
-  // This object is ref counted (so that it can be used with Thread, PostTask)
-  // but the caller expects a plain pointer. So we take a reference here and
-  // will Release() ourselves in Close().
-  AddRef();
 }
 
 FakeAudioInputStream::~FakeAudioInputStream() {}
@@ -42,7 +42,7 @@ void FakeAudioInputStream::Start(AudioInputCallback* callback)  {
   thread_.Start();
   thread_.message_loop()->PostDelayedTask(
       FROM_HERE,
-      base::Bind(&FakeAudioInputStream::DoCallback, this),
+      base::Bind(&FakeAudioInputStream::DoCallback, base::Unretained(this)),
       callback_interval_);
 }
 
@@ -62,7 +62,7 @@ void FakeAudioInputStream::DoCallback() {
   last_callback_time_ = now;
   thread_.message_loop()->PostDelayedTask(
       FROM_HERE,
-      base::Bind(&FakeAudioInputStream::DoCallback, this),
+      base::Bind(&FakeAudioInputStream::DoCallback, base::Unretained(this)),
       next_callback_time);
 }
 
@@ -75,7 +75,7 @@ void FakeAudioInputStream::Close() {
     callback_->OnClose(this);
     callback_ = NULL;
   }
-  Release();  // Destoys this object.
+  audio_manager_->ReleaseInputStream(this);
 }
 
 double FakeAudioInputStream::GetMaxVolume() {