mash: Allow a subset of D-Bus clients to be created in DBusThreadManager

ash/common/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/common/system/chromeos/audio/tray_audio_chromeos.h"
 
+#include "ash/common/dbus_thread_manager_ash.h"
 #include "ash/common/system/audio/volume_view.h"
 #include "ash/common/system/chromeos/audio/audio_detailed_view.h"
 #include "ash/common/system/chromeos/audio/tray_audio_delegate_chromeos.h"
 #include "ash/common/wm_shell.h"
-#include "chromeos/dbus/dbus_thread_manager.h"
+// #include "chromeos/dbus/dbus_thread_manager.h"
 #include "ui/views/view.h"
 
 namespace ash {
 
 using system::TrayAudioDelegate;
 using system::TrayAudioDelegateChromeOs;
 
 TrayAudioChromeOs::TrayAudioChromeOs(SystemTray* system_tray)
     : TrayAudio(
           system_tray,
           std::unique_ptr<TrayAudioDelegate>(new TrayAudioDelegateChromeOs())),
       audio_detail_view_(NULL) {
-  chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(
-      this);
+  DBusThreadManagerAsh::Get()->GetPowerManagerClient()->AddObserver(this);
 }
 
 TrayAudioChromeOs::~TrayAudioChromeOs() {
-  chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(
-      this);
+  DBusThreadManagerAsh::Get()->GetPowerManagerClient()->RemoveObserver(this);
 }
 
 void TrayAudioChromeOs::Update() {
   TrayAudio::Update();
 
   if (audio_detail_view_)
     audio_detail_view_->Update();
 }
 
 views::View* TrayAudioChromeOs::CreateDetailedView(LoginStatus status) {
@@ skipping 44 matching lines @@
 }
 
 void TrayAudioChromeOs::SuspendDone(const base::TimeDelta& sleep_duration) {
   // This event is triggered when the device resumes after earlier suspension,
   // we should always start or re-start HDMI re-discovering
   // grace period right after this event.
   audio_delegate_->SetActiveHDMIOutoutRediscoveringIfNecessary(true);
 }
 
 }  // namespace ash