Move UserActivityDetector from ash/wm/ to ui/wm/core/.

ui/wm/core/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 "ui/wm/core/user_activity_detector.h"
 
-#include "ash/wm/user_activity_observer.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "ui/events/event.h"
+#include "ui/wm/core/user_activity_observer.h"
 
-namespace ash {
+namespace wm {
 
 namespace {
 
 // Returns a string describing |event|.
 std::string GetEventDebugString(const ui::Event* event) {
   std::string details = base::StringPrintf(
       "type=%d name=%s flags=%d time=%" PRId64,
       event->type(), event->name().c_str(), event->flags(),
       event->time_stamp().InMilliseconds());
 
@@ skipping 78 matching lines @@
   if (last_observer_notification_time_.is_null() ||
       (now - last_observer_notification_time_).InMillisecondsF() >=
       kNotifyIntervalMs) {
     if (VLOG_IS_ON(1))
       VLOG(1) << "Reporting user activity: " << GetEventDebugString(event);
     FOR_EACH_OBSERVER(UserActivityObserver, observers_, OnUserActivity(event));
     last_observer_notification_time_ = now;
   }
 }
 
-}  // namespace ash
+}  // namespace wm