chromeos: Remove some WmWindow usage from ash/system

ash/system/ime_menu/ime_menu_tray.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_menu_tray.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/ash_constants.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/resources/grit/ash_resources.h"
 #include "ash/root_window_controller.h"
 #include "ash/session/session_controller.h"
 #include "ash/shelf/wm_shelf.h"
 #include "ash/shell.h"
 #include "ash/shell_port.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/system/ime_menu/ime_list_view.h"
 #include "ash/system/tray/system_menu_button.h"
 #include "ash/system/tray/system_tray_controller.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/system_tray_notifier.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_container.h"
 #include "ash/system/tray/tray_popup_item_style.h"
 #include "ash/system/tray/tray_popup_utils.h"
 #include "ash/system/tray/tray_utils.h"
-#include "ash/wm_window.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/session_manager/session_manager_types.h"
 #include "ui/base/ime/chromeos/input_method_manager.h"
 #include "ui/base/ime/ime_bridge.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/gfx/range/range.h"
@@ skipping 431 matching lines @@
 
 base::string16 ImeMenuTray::GetAccessibleNameForBubble() {
   return l10n_util::GetStringUTF16(IDS_ASH_IME_MENU_ACCESSIBLE_NAME);
 }
 
 void ImeMenuTray::OnBeforeBubbleWidgetInit(
     views::Widget* anchor_widget,
     views::Widget* bubble_widget,
     views::Widget::InitParams* params) const {
   // Place the bubble in the same root window as |anchor_widget|.
-  WmWindow::Get(anchor_widget->GetNativeWindow())
-      ->GetRootWindowController()
+  RootWindowController::ForWindow(anchor_widget->GetNativeWindow())
       ->ConfigureWidgetInitParamsForContainer(
           bubble_widget, kShellWindowId_SettingBubbleContainer, params);
 }
 
 void ImeMenuTray::HideBubble(const views::TrayBubbleView* bubble_view) {
   HideBubbleWithView(bubble_view);
 }
 
 void ImeMenuTray::OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) {}
 
@@ skipping 54 matching lines @@
   Shell::Get()->system_tray_delegate()->GetCurrentIME(&current_ime_);
 
   // Updates the tray label based on the current input method.
   if (current_ime_.third_party)
     label_->SetText(current_ime_.short_name + base::UTF8ToUTF16("*"));
   else
     label_->SetText(current_ime_.short_name);
 }
 
 }  // namespace ash