Remove unused parameter to OnError()

media/audio/audio_input_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_INPUT_CONTROLLER_H_
 #define MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_
 
 #include <string>
 #include "base/atomicops.h"
 #include "base/callback.h"
@@ skipping 64 matching lines @@
 class MEDIA_EXPORT AudioInputController
     : public base::RefCountedThreadSafe<AudioInputController>,
       public AudioInputStream::AudioInputCallback {
  public:
   // An event handler that receives events from the AudioInputController. The
   // following methods are all called on the audio thread.
   class MEDIA_EXPORT EventHandler {
    public:
     virtual void OnCreated(AudioInputController* controller) = 0;
     virtual void OnRecording(AudioInputController* controller) = 0;
-    virtual void OnError(AudioInputController* controller, int error_code) = 0;
+    virtual void OnError(AudioInputController* controller) = 0;
     virtual void OnData(AudioInputController* controller, const uint8* data,
                         uint32 size) = 0;
 
    protected:
     virtual ~EventHandler() {}
   };
 
   // A synchronous writer interface used by AudioInputController for
   // synchronous writing.
   class SyncWriter {
@@ skipping 81 matching lines @@
 
   // Sets the Automatic Gain Control (AGC) state of the input stream.
   // Changing the AGC state is not supported while recording is active.
   virtual void SetAutomaticGainControl(bool enabled);
 
   // AudioInputCallback implementation. Threading details depends on the
   // device-specific implementation.
   virtual void OnData(AudioInputStream* stream, const uint8* src, uint32 size,
                       uint32 hardware_delay_bytes, double volume) OVERRIDE;
   virtual void OnClose(AudioInputStream* stream) OVERRIDE;
-  virtual void OnError(AudioInputStream* stream, int code) OVERRIDE;
+  virtual void OnError(AudioInputStream* stream) OVERRIDE;
 
   bool LowLatencyMode() const { return sync_writer_ != NULL; }
 
  protected:
   friend class base::RefCountedThreadSafe<AudioInputController>;
 
   // Internal state of the source.
   enum State {
     kEmpty,
     kCreated,
     kRecording,
     kClosed,
     kError
   };
 
   AudioInputController(EventHandler* handler, SyncWriter* sync_writer);
   virtual ~AudioInputController();
 
   // Methods called on the audio thread (owned by the AudioManager).
   void DoCreate(AudioManager* audio_manager, const AudioParameters& params,
                 const std::string& device_id);
   void DoCreateForStream(AudioInputStream* stream_to_control);
   void DoRecord();
   void DoClose();
-  void DoReportError(int code);
+  void DoReportError();
   void DoSetVolume(double volume);
   void DoSetAutomaticGainControl(bool enabled);
 
   // Method which ensures that OnError() is triggered when data recording
   // times out. Called on the audio thread.
   void DoCheckForNoData();
 
   // Helper method that stops, closes, and NULL:s |*stream_|.
   // Signals event when done if the event is not NULL.
   void DoStopCloseAndClearStream(base::WaitableEvent* done);
@@ skipping 40 matching lines @@
   static Factory* factory_;
 
   double max_volume_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioInputController);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_