cros: Convert SystemTrayDelegate::ManageBluetoothDevices to mojo for mash

ash/common/system/chromeos/bluetooth/tray_bluetooth.cc

 // Copyright (c) 2012 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/bluetooth/tray_bluetooth.h"
 
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/system/tray/hover_highlight_view.h"
 #include "ash/common/system/tray/system_tray.h"
+#include "ash/common/system/tray/system_tray_controller.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/system_tray_notifier.h"
 #include "ash/common/system/tray/throbber_view.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_details_view.h"
 #include "ash/common/system/tray/tray_item_more.h"
 #include "ash/common/system/tray/tray_popup_item_style.h"
 #include "ash/common/system/tray/tray_popup_utils.h"
 #include "ash/common/system/tray/tri_view.h"
 #include "ash/common/wm_shell.h"
@@ skipping 460 matching lines @@
         TrayPopupUtils::CreateToggleButton(this, IDS_ASH_STATUS_TRAY_BLUETOOTH);
     tri_view()->AddView(TriView::Container::END, toggle_);
 
     settings_ =
         CreateSettingsButton(login_, IDS_ASH_STATUS_TRAY_BLUETOOTH_SETTINGS);
     tri_view()->AddView(TriView::Container::END, settings_);
   }
 
   void ShowSettings() {
     if (TrayPopupUtils::CanOpenWebUISettings(login_)) {
-      WmShell::Get()->system_tray_delegate()->ManageBluetoothDevices();
+      WmShell::Get()->system_tray_controller()->ShowBluetoothSettings();
       owner()->system_tray()->CloseSystemBubble();
     }
   }
 
   void ShowLoadingIndicator() {
     // Setting a value of -1 gives progress_bar an infinite-loading behavior.
     ShowProgress(-1, true);
   }
 
   void HideLoadingIndicator() { ShowProgress(0, false); }
@@ skipping 144 matching lines @@
     detailed_->Update();
 }
 
 void TrayBluetooth::OnBluetoothDiscoveringChanged() {
   if (!detailed_)
     return;
   detailed_->Update();
 }
 
 }  // namespace ash