Adds WmWindow and converts WindowState to use it

chrome/browser/notifications/fullscreen_notification_blocker.cc

 // Copyright 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/notifications/fullscreen_notification_blocker.h"
 
 #include "base/time/time.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/fullscreen.h"
 #include "content/public/browser/notification_service.h"
 
 #if defined(USE_ASH)
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/system/system_notifier.h"
 #include "ash/wm/window_state.h"
+#include "ash/wm/window_state_aura.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #endif
 
 namespace {
 
 bool DoesFullscreenModeBlockNotifications() {
 #if defined(USE_ASH)
   if (ash::Shell::HasInstance()) {
     ash::RootWindowController* controller =
@@ skipping 49 matching lines @@
   return enabled;
 }
 
 void FullscreenNotificationBlocker::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_FULLSCREEN_CHANGED, type);
   CheckState();
 }