Fix regression where no IMEs appear in the opt-in IME menu

ash/common/system/chromeos/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/common/system/chromeos/ime_menu/ime_list_view.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/system/tray/hover_highlight_view.h"
 #include "ash/common/system/tray/ime_info.h"
 #include "ash/common/system/tray/system_menu_button.h"
@@ skipping 209 matching lines @@
 
   // ButtonListener to notify when |toggle_| is clicked.
   views::ButtonListener* listener_;
 
   // ToggleButton to toggle keyboard on or off.
   views::ToggleButton* toggle_;
 
   DISALLOW_COPY_AND_ASSIGN(MaterialKeyboardStatusRowView);
 };
 
-ImeListView::ImeListView(SystemTrayItem* owner,
-                         bool show_keyboard_toggle,
-                         SingleImeBehavior single_ime_behavior)
+ImeListView::ImeListView(SystemTrayItem* owner)
     : TrayDetailsView(owner),
       last_item_selected_with_keyboard_(false),
       should_focus_ime_after_selection_with_keyboard_(false),
-      current_ime_view_(nullptr) {
+      current_ime_view_(nullptr) {}
+
+ImeListView::~ImeListView() {}
+
+void ImeListView::Init(bool show_keyboard_toggle,
+                       SingleImeBehavior single_ime_behavior) {
   SystemTrayDelegate* delegate = WmShell::Get()->system_tray_delegate();
   IMEInfoList list;
   delegate->GetAvailableIMEList(&list);
   IMEPropertyInfoList property_list;
   delegate->GetCurrentIMEProperties(&property_list);
   Update(list, property_list, show_keyboard_toggle, single_ime_behavior);
 }
 
-ImeListView::~ImeListView() {}
-
 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();
   CreateScrollableList();
 
   // Appends IME list and IME properties.
@@ skipping 192 matching lines @@
 
   for (auto property_map : property_map_) {
     if (property_map.second == last_selected_item_id_) {
       (property_map.first)->RequestFocus();
       return;
     }
   }
 }
 
 }  // namespace ash