Remove unused parameter to OnError()

content/browser/speech/speech_recognizer.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 CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_H_
 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 63 matching lines @@
     EVENT_ENGINE_ERROR,
     EVENT_AUDIO_ERROR,
     EVENT_MAX_VALUE = EVENT_AUDIO_ERROR
   };
 
   struct FSMEventArgs {
     explicit FSMEventArgs(FSMEvent event_value);
     ~FSMEventArgs();
 
     FSMEvent event;
-    int audio_error_code;
     scoped_refptr<AudioChunk> audio_data;
     SpeechRecognitionResults engine_results;
     SpeechRecognitionError engine_error;
   };
 
   virtual ~SpeechRecognizer();
 
   // Entry point for pushing any new external event into the recognizer FSM.
   void DispatchEvent(const FSMEventArgs& event_args);
 
@@ skipping 27 matching lines @@
   void UpdateSignalAndNoiseLevels(const float& rms, bool clip_detected);
 
   void CloseAudioControllerAsynchronously();
 
   // Callback called on IO thread by audio_controller->Close().
   void OnAudioClosed(media::AudioInputController*);
 
   // AudioInputController::EventHandler methods.
   virtual void OnCreated(media::AudioInputController* controller) OVERRIDE {}
   virtual void OnRecording(media::AudioInputController* controller) OVERRIDE {}
-  virtual void OnError(media::AudioInputController* controller,
-                       int error_code) OVERRIDE;
+  virtual void OnError(media::AudioInputController* controller) OVERRIDE;
   virtual void OnData(media::AudioInputController* controller,
                       const uint8* data, uint32 size) OVERRIDE;
 
   // SpeechRecognitionEngineDelegate methods.
   virtual void OnSpeechRecognitionEngineResults(
       const SpeechRecognitionResults& results) OVERRIDE;
   virtual void OnSpeechRecognitionEngineError(
       const SpeechRecognitionError& error) OVERRIDE;
 
   static media::AudioManager* audio_manager_for_tests_;
 
   SpeechRecognitionEventListener* listener_;
   scoped_ptr<SpeechRecognitionEngine> recognition_engine_;
   Endpointer endpointer_;
   scoped_refptr<media::AudioInputController> audio_controller_;
   int session_id_;
   int num_samples_recorded_;
   float audio_level_;
   bool is_dispatching_event_;
   bool is_single_shot_;
   FSMState state_;
 
   DISALLOW_COPY_AND_ASSIGN(SpeechRecognizer);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_H_