Pass task runners to AudioManager constructor.

media/audio/pulse/audio_manager_pulse.h

Index: media/audio/pulse/audio_manager_pulse.h
diff --git a/media/audio/pulse/audio_manager_pulse.h b/media/audio/pulse/audio_manager_pulse.h
index 93a1c946dd98a33388f366c65a2bb1bbbc727466..4404cd4bb7329149f1da5e7a50eeabeae01dc096 100644
--- a/media/audio/pulse/audio_manager_pulse.h
+++ b/media/audio/pulse/audio_manager_pulse.h
@@ -17,10 +17,13 @@ namespace media {
 
 class MEDIA_EXPORT AudioManagerPulse : public AudioManagerBase {
  public:
-  AudioManagerPulse(AudioLogFactory* audio_log_factory);
+  AudioManagerPulse(
+      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
+      const scoped_refptr<base::SingleThreadTaskRunner>& worker_task_runner,
+      AudioLogFactory* audio_log_factory);
   ~AudioManagerPulse() override;
 
-  static AudioManager* Create(AudioLogFactory* audio_log_factory);
+  bool Init();
 
   // Implementation of AudioManager.
   bool HasAudioOutputDevices() override;
@@ -50,7 +53,6 @@ class MEDIA_EXPORT AudioManagerPulse : public AudioManagerBase {
       const AudioParameters& input_params) override;
 
  private:
-  bool Init();
   void DestroyPulse();
 
   void GetAudioDeviceNames(bool input, media::AudioDeviceNames* device_names);