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

trunk/src/chromeos/audio/cras_audio_switch_handler.cc

 // Copyright (c) 2013 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.
 
 #include "chromeos/audio/cras_audio_switch_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "chromeos/audio/audio_pref_handler.h"
@@ skipping 23 matching lines @@
   g_cras_audio_handler = NULL;
 }
 
 // static
 CrasAudioSwitchHandler* CrasAudioSwitchHandler::Get() {
   CHECK(g_cras_audio_handler)
       << "CrasAudioSwitchHandler::Get() called before Initialize().";
   return g_cras_audio_handler;
 }
 
-void CrasAudioSwitchHandler::UpdateActiveDevice() {
-  GetNodes();
-}
-
 CrasAudioSwitchHandler::CrasAudioSwitchHandler()
     : muted_device_id_(0),
       weak_ptr_factory_(this) {
   chromeos::DBusThreadManager::Get()->GetCrasAudioClient()->AddObserver(this);
   GetNodes();
 }
 
 CrasAudioSwitchHandler::~CrasAudioSwitchHandler() {
   chromeos::DBusThreadManager::Get()->GetCrasAudioClient()->
       RemoveObserver(this);
@@ skipping 98 matching lines @@
     const AudioNodeList& node_list, bool success) {
   if (!success) {
     LOG(ERROR) << "Failed to retrieve audio nodes data";
     return;
   }
 
   UpdateDevicesAndSwitch(node_list);
 }
 
 }  // namespace chromeos