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

chrome/browser/chromeos/idle_detector.cc

 // Copyright 2014 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/chromeos/idle_detector.h"
 
 #include "ash/shell.h"
-#include "ash/wm/user_activity_detector.h"
 #include "base/bind.h"
 #include "base/logging.h"
+#include "ui/wm/core/user_activity_detector.h"
 
 namespace chromeos {
 
 IdleDetector::IdleDetector(const base::Closure& on_active_callback,
                            const base::Closure& on_idle_callback)
     : active_callback_(on_active_callback), idle_callback_(on_idle_callback) {}
 
 IdleDetector::~IdleDetector() {
   if (ash::Shell::HasInstance() &&
       ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this))
@@ skipping 14 matching lines @@
 }
 
 void IdleDetector::ResetTimer() {
   if (timer_.IsRunning())
     timer_.Reset();
   else
     timer_.Start(FROM_HERE, timeout_, idle_callback_);
 }
 
 }  // namespace chromeos