chromeos: Remove the last IME methods from ash::SystemTrayDelegate

ash/system/ime_menu/ime_list_view.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/system/ime_menu/ime_list_view.h"
 
 #include "ash/ime/ime_switch_type.h"
 #include "ash/resources/grit/ash_resources.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/shell.h"
 #include "ash/shell_port.h"
 #include "ash/strings/grit/ash_strings.h"
+#include "ash/system/ime/ime_util.h"
 #include "ash/system/tray/actionable_view.h"
 #include "ash/system/tray/ime_info.h"
 #include "ash/system/tray/system_menu_button.h"
-#include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_details_view.h"
 #include "ash/system/tray/tray_popup_header_button.h"
 #include "ash/system/tray/tray_popup_item_style.h"
 #include "ash/system/tray/tray_popup_utils.h"
 #include "ash/system/tray/tri_view.h"
 #include "base/metrics/histogram_macros.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/base/ime/chromeos/input_method_manager.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 162 matching lines @@
 ImeListView::ImeListView(SystemTrayItem* owner)
     : TrayDetailsView(owner),
       last_item_selected_with_keyboard_(false),
       should_focus_ime_after_selection_with_keyboard_(false),
       current_ime_view_(nullptr) {}
 
 ImeListView::~ImeListView() {}
 
 void ImeListView::Init(bool show_keyboard_toggle,
                        SingleImeBehavior single_ime_behavior) {
-  SystemTrayDelegate* delegate = Shell::Get()->system_tray_delegate();
-  IMEInfoList list;
-  delegate->GetAvailableIMEList(&list);
-  IMEPropertyInfoList property_list;
-  delegate->GetCurrentIMEProperties(&property_list);
+  IMEInfoList list = ime_util::GetAvailableIMEList();
+  IMEPropertyInfoList property_list = ime_util::GetCurrentIMEProperties();
   Update(list, property_list, show_keyboard_toggle, single_ime_behavior);
 }
 
 void ImeListView::Update(const IMEInfoList& list,
                          const IMEPropertyInfoList& property_list,
                          bool show_keyboard_toggle,
                          SingleImeBehavior single_ime_behavior) {
   ResetImeListView();
   ime_map_.clear();
   property_map_.clear();
@@ skipping 149 matching lines @@
 ImeListViewTestApi::ImeListViewTestApi(ImeListView* ime_list_view)
     : ime_list_view_(ime_list_view) {}
 
 ImeListViewTestApi::~ImeListViewTestApi() {}
 
 views::View* ImeListViewTestApi::GetToggleView() const {
   return ime_list_view_->keyboard_status_row_->toggle();
 }
 
 }  // namespace ash