Remove unused parameter to OnError()

media/audio/audio_output_controller.h

 // 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.
 
 #ifndef MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_
 #define MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_
 
 #include "base/atomic_ref_count.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
@@ skipping 57 matching lines @@
       NON_EXPORTED_BASE(public AudioManager::AudioDeviceListener)  {
  public:
   // An event handler that receives events from the AudioOutputController. The
   // following methods are called on the audio manager thread.
   class MEDIA_EXPORT EventHandler {
    public:
     virtual void OnCreated() = 0;
     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:
     virtual ~EventHandler() {}
   };
 
   // A synchronous reader interface used by AudioOutputController for
   // synchronous reading.
   // TODO(crogers): find a better name for this class and the Read() method
   // now that it can handle synchronized I/O.
@@ skipping 50 matching lines @@
 
   // Sets the volume of the audio output stream.
   void SetVolume(double volume);
 
   // AudioSourceCallback implementation.
   virtual int OnMoreData(AudioBus* dest,
                          AudioBuffersState buffers_state) OVERRIDE;
   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;
 
   // AudioDeviceListener implementation.  When called AudioOutputController will
   // shutdown the existing |stream_|, transition to the kRecreating state,
   // create a new stream, and then transition back to an equivalent state prior
   // to being called.
   virtual void OnDeviceChange() OVERRIDE;
 
@@ skipping 26 matching lines @@
                         const AudioParameters& params, SyncReader* sync_reader);
 
   // The following methods are executed on the audio manager thread.
   void DoCreate(bool is_for_device_change);
   void DoPlay();
   void PollAndStartIfDataReady();
   void DoPause();
   void DoFlush();
   void DoClose();
   void DoSetVolume(double volume);
-  void DoReportError(int code);
+  void DoReportError();
   void DoStartDiverting(AudioOutputStream* to_stream);
   void DoStopDiverting();
 
   // Called at regular intervals during playback to check for a change in
   // silence and call EventHandler::OnAudible() when state changes occur.
   void MaybeInvokeAudibleCallback();
 
   // Helper methods that start/stop physical stream.
   void StartStream();
   void StopStream();
@@ skipping 50 matching lines @@
   // EventHandler::OnAudbile() to be called whenever a transition to a period of
   // silence or non-silence is detected.
   scoped_ptr<AudioSilenceDetector> silence_detector_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioOutputController);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_