[mus+ash] Removes WmWindow from ash (app_list, frame, metrics, session, system, wallpaper)

chrome/browser/ui/ash/session_state_delegate_chromeos.cc

 // Copyright (c) 2013 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 "chrome/browser/ui/ash/session_state_delegate_chromeos.h"
 
 #include "ash/content/shell_content_state.h"
-#include "ash/wm_window.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
 #include "chrome/browser/ui/ash/session_util.h"
 #include "ui/gfx/image/image_skia.h"
 
 SessionStateDelegateChromeos::SessionStateDelegateChromeos() {}
 
 SessionStateDelegateChromeos::~SessionStateDelegateChromeos() {}
 
 bool SessionStateDelegateChromeos::ShouldShowAvatar(
-    ash::WmWindow* window) const {
+    aura::Window* window) const {
   return chrome::MultiUserWindowManager::GetInstance()->ShouldShowAvatar(
-      ash::WmWindow::GetAuraWindow(window));
+      window);
 }
 
 gfx::ImageSkia SessionStateDelegateChromeos::GetAvatarImageForWindow(
-    ash::WmWindow* window) const {
+    aura::Window* window) const {
   content::BrowserContext* context =
-      ash::ShellContentState::GetInstance()->GetBrowserContextForWindow(
-          ash::WmWindow::GetAuraWindow(window));
+      ash::ShellContentState::GetInstance()->GetBrowserContextForWindow(window);
   return GetAvatarImageForContext(context);
 }