chromeos: Refactor D-Bus client creation for ash and browser processes

ash/mus/window_manager_application.cc

 // Copyright 2015 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/mus/window_manager_application.h"
 
 #include <utility>
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/wm_shell.h"
@@ skipping 28 matching lines @@
 
 namespace ash {
 namespace mus {
 namespace {
 
 void InitializeComponents() {
   message_center::MessageCenter::Initialize();
 #if defined(OS_CHROMEOS)
   // Must occur after mojo::ApplicationRunner has initialized AtExitManager, but
   // before WindowManager::Init().
-  chromeos::DBusThreadManager::Initialize();
+  chromeos::DBusThreadManager::Initialize(
+      chromeos::DBusThreadManager::PROCESS_ASH);
 
   // See ChromeBrowserMainPartsChromeos for ordering details.
   bluez::BluezDBusManager::Initialize(
       chromeos::DBusThreadManager::Get()->GetSystemBus(),
       chromeos::DBusThreadManager::Get()->IsUsingFake(
           chromeos::DBusClientType::BLUETOOTH));
   // TODO(jamescook): Initialize real audio handler.
   chromeos::CrasAudioHandler::InitializeForTesting();
   PowerStatus::Initialize();
 #endif
@@ skipping 141 matching lines @@
       base::Bind(&WindowManagerApplication::OnAcceleratorRegistrarDestroyed,
                  base::Unretained(this))));
 }
 
 void WindowManagerApplication::ScreenlockStateChanged(bool locked) {
   window_manager_->SetScreenLocked(locked);
 }
 
 }  // namespace mus
 }  // namespace ash