Adds method to invoke platform provided audio input UI.

media/audio/linux/audio_manager_linux.h

 // Copyright (c) 2010 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_LINUX_AUDIO_MANAGER_LINUX_H_
 #define MEDIA_AUDIO_LINUX_AUDIO_MANAGER_LINUX_H_
 
 #include <map>
 
 #include "base/ref_counted.h"
@@ skipping 10 matching lines @@
   AudioManagerLinux();
 
   // Call before using a newly created AudioManagerLinux instance.
   virtual void Init();
 
   // Implementation of AudioManager.
   virtual bool HasAudioOutputDevices();
   virtual bool HasAudioInputDevices();
   virtual AudioOutputStream* MakeAudioOutputStream(AudioParameters params);
   virtual AudioInputStream* MakeAudioInputStream(AudioParameters params);
+  virtual bool CanShowAudioInputSettings();
+  virtual void ShowAudioInputSettings();
 
   virtual void MuteAll();
   virtual void UnMuteAll();
 
   virtual void ReleaseOutputStream(AlsaPcmOutputStream* stream);
 
  protected:
   virtual ~AudioManagerLinux();
 
  private:
   scoped_ptr<AlsaWrapper> wrapper_;
 
   base::Lock lock_;
   std::map<AlsaPcmOutputStream*, scoped_refptr<AlsaPcmOutputStream> >
       active_streams_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioManagerLinux);
 };
 
 #endif  // MEDIA_AUDIO_LINUX_AUDIO_MANAGER_LINUX_H_