Removes tracking for fake audio streams.

media/audio/fake_audio_manager.cc

Index: media/audio/fake_audio_manager.cc
diff --git a/media/audio/fake_audio_manager.cc b/media/audio/fake_audio_manager.cc
index 325e3493267e9d10ad8eee00c26715794ce2ee30..8cbcb379a8ba7cad14fb68973f4dd16352bca431 100644
--- a/media/audio/fake_audio_manager.cc
+++ b/media/audio/fake_audio_manager.cc
@@ -37,28 +37,32 @@ bool FakeAudioManager::HasAudioInputDevices() { return false; }
 AudioOutputStream* FakeAudioManager::MakeLinearOutputStream(
     const AudioParameters& params,
     const LogCallback& log_callback) {
-  return FakeAudioOutputStream::MakeFakeStream(this, params);
+  return FakeAudioOutputStream::MakeFakeStream(GetTaskRunner(),
+                                               GetWorkerTaskRunner(), params);
 }
 
 AudioOutputStream* FakeAudioManager::MakeLowLatencyOutputStream(
     const AudioParameters& params,
     const std::string& device_id,
     const LogCallback& log_callback) {
-  return FakeAudioOutputStream::MakeFakeStream(this, params);
+  return FakeAudioOutputStream::MakeFakeStream(GetTaskRunner(),
+                                               GetWorkerTaskRunner(), params);
 }
 
 AudioInputStream* FakeAudioManager::MakeLinearInputStream(
     const AudioParameters& params,
     const std::string& device_id,
     const LogCallback& log_callback) {
-  return FakeAudioInputStream::MakeFakeStream(this, params);
+  return FakeAudioInputStream::MakeFakeStream(GetTaskRunner(),
+                                              GetWorkerTaskRunner(), params);
 }
 
 AudioInputStream* FakeAudioManager::MakeLowLatencyInputStream(
     const AudioParameters& params,
     const std::string& device_id,
     const LogCallback& log_callback) {
-  return FakeAudioInputStream::MakeFakeStream(this, params);
+  return FakeAudioInputStream::MakeFakeStream(GetTaskRunner(),
+                                              GetWorkerTaskRunner(), params);
 }
 
 AudioParameters FakeAudioManager::GetPreferredOutputStreamParameters(