Update AudioMixerAlsa to not use PrefMember.

chrome/browser/chromeos/audio_mixer_alsa.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 CHROME_BROWSER_CHROMEOS_AUDIO_MIXER_ALSA_H_
 #define CHROME_BROWSER_CHROMEOS_AUDIO_MIXER_ALSA_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread.h"
 #include "chrome/browser/chromeos/audio_mixer.h"
-#include "chrome/browser/prefs/pref_member.h"
+
+class PrefService;
 
 struct _snd_mixer_elem;
 struct _snd_mixer;
 
 namespace chromeos {
 
 class AudioMixerAlsa : public AudioMixer {
  public:
   AudioMixerAlsa();
   virtual ~AudioMixerAlsa();
@@ skipping 63 matching lines @@
   double save_volume_;
 
   mutable base::Lock mixer_state_lock_;
   mutable State mixer_state_;
 
   // Cached contexts for use in ALSA calls.
   _snd_mixer* alsa_mixer_;
   _snd_mixer_elem* elem_master_;
   _snd_mixer_elem* elem_pcm_;
 
-  IntegerPrefMember mute_pref_;
-  DoublePrefMember volume_pref_;
+  PrefService* prefs_;
 
   scoped_ptr<base::Thread> thread_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioMixerAlsa);
 };
 
 }  // namespace chromeos
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(chromeos::AudioMixerAlsa);
 
 #endif  // CHROME_BROWSER_CHROMEOS_AUDIO_MIXER_ALSA_H_
-