Revert 251959 "Refactor the TrayAudio code so that it can be use..."

trunk/src/ash/system/chromeos/audio/tray_audio_chromeos.cc

-// Copyright 2014 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 "ash/system/chromeos/audio/tray_audio_chromeos.h"
-
-#include "ash/ash_switches.h"
-#include "ash/metrics/user_metrics_recorder.h"
-#include "ash/shell.h"
-#include "ash/system/audio/volume_view.h"
-#include "ash/system/chromeos/audio/audio_detailed_view.h"
-#include "ui/views/view.h"
-
-namespace ash {
-namespace internal {
-
-TrayAudioChromeOs::TrayAudioChromeOs(
-    SystemTray* system_tray,
-    system::TrayAudioDelegate* audio_delegate)
-    : TrayAudio(system_tray, audio_delegate),
-      audio_detail_view_(NULL) {
-}
-
-TrayAudioChromeOs::~TrayAudioChromeOs() {
-}
-
-void TrayAudioChromeOs::Update() {
-  TrayAudio::Update();
-
-  if (audio_detail_view_)
-    audio_detail_view_->Update();
-}
-
-views::View* TrayAudioChromeOs::CreateDetailedView(user::LoginStatus status) {
-  if (!ash::switches::ShowAudioDeviceMenu() || pop_up_volume_view_) {
-    volume_view_ = new tray::VolumeView(this, audio_delegate_, false);
-    return volume_view_;
-  } else {
-    Shell::GetInstance()->metrics()->RecordUserMetricsAction(
-        ash::UMA_STATUS_AREA_DETAILED_AUDIO_VIEW);
-    audio_detail_view_ =
-        new tray::AudioDetailedView(this, status);
-    return audio_detail_view_;
-  }
-}
-
-void TrayAudioChromeOs::DestroyDetailedView() {
-  if (audio_detail_view_) {
-    audio_detail_view_ = NULL;
-  } else if (volume_view_) {
-    volume_view_ = NULL;
-    pop_up_volume_view_ = false;
-  }
-}
-
-}  // namespace internal
-}  // namespace ash