Revert 198556 "Implement the rest of the audio API."

trunk/src/ash/system/chromeos/audio/tray_audio.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 ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_
 #define ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_
 
 #include "ash/system/chromeos/audio/audio_observer.h"
 #include "ash/system/tray/tray_image_item.h"
 #include "chromeos/audio/cras_audio_handler.h"
@@ skipping 25 matching lines @@
   virtual bool ShouldHideArrow() const OVERRIDE;
   virtual bool ShouldShowLauncher() const OVERRIDE;
 
   // Overridden from AudioObserver.
   virtual void OnVolumeChanged(float percent) OVERRIDE;
   virtual void OnMuteToggled() OVERRIDE;
 
   // Overridden from chromeos::CrasAudioHandler::AudioObserver.
   virtual void OnOutputVolumeChanged() OVERRIDE;
   virtual void OnOutputMuteChanged() OVERRIDE;
-  virtual void OnInputGainChanged() OVERRIDE;
-  virtual void OnInputMuteChanged() OVERRIDE;
   virtual void OnAudioNodesChanged() OVERRIDE;
   virtual void OnActiveOutputNodeChanged() OVERRIDE;
   virtual void OnActiveInputNodeChanged() OVERRIDE;
 
   void Update();
 
   tray::VolumeView* volume_view_;
   tray::AudioDetailedView* audio_detail_;
 
   // True if VolumeView should be created for accelerator pop up;
   // Otherwise, it should be created for detailed view in ash tray bubble.
   bool pop_up_volume_view_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayAudio);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_