chromeos: Introduce SetClient() on ash::mojom::SystemTray interface

ash/common/wm_shell.cc

 // Copyright 2016 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/wm_shell.h"
 
 #include <utility>
 
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/accelerators/ash_focus_manager_factory.h"
@@ skipping 237 matching lines @@
 WmShell::WmShell(std::unique_ptr<ShellDelegate> shell_delegate)
     : delegate_(std::move(shell_delegate)),
       focus_cycler_(base::MakeUnique<FocusCycler>()),
       immersive_context_(base::MakeUnique<ImmersiveContextAsh>()),
       locale_notification_controller_(
           base::MakeUnique<LocaleNotificationController>()),
       new_window_client_(base::MakeUnique<NewWindowClientProxy>(
           delegate_->GetShellConnector())),
       shelf_controller_(base::MakeUnique<ShelfController>()),
       shutdown_controller_(base::MakeUnique<ShutdownController>()),
-      system_tray_controller_(base::MakeUnique<SystemTrayController>(
-          delegate_->GetShellConnector())),
+      system_tray_controller_(base::MakeUnique<SystemTrayController>()),
       system_tray_notifier_(base::MakeUnique<SystemTrayNotifier>()),
       wallpaper_delegate_(delegate_->CreateWallpaperDelegate()),
       window_cycle_controller_(base::MakeUnique<WindowCycleController>()),
       window_selector_controller_(
           base::MakeUnique<WindowSelectorController>()) {
 #if defined(OS_CHROMEOS)
   brightness_control_delegate_.reset(new system::BrightnessControllerChromeos);
   keyboard_brightness_control_delegate_.reset(new KeyboardBrightnessController);
   vpn_list_ = base::MakeUnique<VpnList>();
 #endif
@@ skipping 134 matching lines @@
 void WmShell::DeleteToastManager() {
   toast_manager_.reset();
 }
 
 void WmShell::SetAcceleratorController(
     std::unique_ptr<AcceleratorController> accelerator_controller) {
   accelerator_controller_ = std::move(accelerator_controller);
 }
 
 }  // namespace ash