events: Move some files into ui/base/events/

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/base/event.h"
+#include "ui/base/events/event.h"
 
 namespace ash {
 
 const double UserActivityDetector::kNotifyIntervalMs = 200.0;
 
 UserActivityDetector::UserActivityDetector() {
 }
 
 UserActivityDetector::~UserActivityDetector() {
 }
@@ skipping 42 matching lines @@
       !now_for_test_.is_null() ? now_for_test_ : base::TimeTicks::Now();
   if (last_observer_notification_time_.is_null() ||
       (now - last_observer_notification_time_).InMillisecondsF() >=
       kNotifyIntervalMs) {
     FOR_EACH_OBSERVER(UserActivityObserver, observers_, OnUserActivity());
     last_observer_notification_time_ = now;
   }
 }
 
 }  // namespace ash