Remove unused parameter to OnError()

media/audio/audio_output_controller.h

Index: media/audio/audio_output_controller.h
diff --git a/media/audio/audio_output_controller.h b/media/audio/audio_output_controller.h
index cfb685f742fb0e38a150be45e38e49d40f7a22fd..ae8951523cd92400df513c4bc3e4aab89dd1c544 100644
--- a/media/audio/audio_output_controller.h
+++ b/media/audio/audio_output_controller.h
@@ -75,7 +75,7 @@ class MEDIA_EXPORT AudioOutputController
     virtual void OnPlaying() = 0;
     virtual void OnAudible(bool is_audible) = 0;
     virtual void OnPaused() = 0;
-    virtual void OnError(int error_code) = 0;
+    virtual void OnError() = 0;
     virtual void OnDeviceChange(int new_buffer_size, int new_sample_rate) = 0;
 
    protected:
@@ -146,7 +146,7 @@ class MEDIA_EXPORT AudioOutputController
   virtual int OnMoreIOData(AudioBus* source,
                            AudioBus* dest,
                            AudioBuffersState buffers_state) OVERRIDE;
-  virtual void OnError(AudioOutputStream* stream, int code) OVERRIDE;
+  virtual void OnError(AudioOutputStream* stream) OVERRIDE;
   // Deprecated: Currently only used for starting audio playback and for audio
   // mirroring.
   virtual void WaitTillDataReady() OVERRIDE;
@@ -193,7 +193,7 @@ class MEDIA_EXPORT AudioOutputController
   void DoFlush();
   void DoClose();
   void DoSetVolume(double volume);
-  void DoReportError(int code);
+  void DoReportError();
   void DoStartDiverting(AudioOutputStream* to_stream);
   void DoStopDiverting();