[Cleanup] Rename WindowSettings to WindowState

ash/wm/user_activity_detector.cc

 // Copyright (c) 2012 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/wm/user_activity_detector.h"
 
-#include "ash/wm/property_util.h"
 #include "ash/wm/user_activity_observer.h"
 #include "ui/events/event.h"
 
 namespace ash {
 
 const int UserActivityDetector::kNotifyIntervalMs = 200;
 
 // Too low and mouse events generated at the tail end of reconfiguration
 // will be reported as user activity and turn the screen back on; too high
 // and we'll ignore legitimate activity.
@@ skipping 57 matching lines @@
   last_activity_time_ = now;
   if (last_observer_notification_time_.is_null() ||
       (now - last_observer_notification_time_).InMillisecondsF() >=
       kNotifyIntervalMs) {
     FOR_EACH_OBSERVER(UserActivityObserver, observers_, OnUserActivity(event));
     last_observer_notification_time_ = now;
   }
 }
 
 }  // namespace ash