Move UserActivityDetector to ui/base/user_activity/.

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 "base/bind.h"
 #include "base/logging.h"
-#include "ui/wm/core/user_activity_detector.h"
+#include "ui/base/user_activity/user_activity_detector.h"
 
 namespace chromeos {
 
 IdleDetector::IdleDetector(const base::Closure& on_idle_callback)
     : idle_callback_(on_idle_callback) {}
 
 IdleDetector::~IdleDetector() {
-  wm::UserActivityDetector* user_activity_detector =
-      wm::UserActivityDetector::Get();
+  ui::UserActivityDetector* user_activity_detector =
+      ui::UserActivityDetector::Get();
   if (user_activity_detector && user_activity_detector->HasObserver(this))
     user_activity_detector->RemoveObserver(this);
 }
 
 void IdleDetector::OnUserActivity(const ui::Event* event) {
   ResetTimer();
 }
 
 void IdleDetector::Start(const base::TimeDelta& timeout) {
   timeout_ = timeout;
-  if (!wm::UserActivityDetector::Get()->HasObserver(this))
-    wm::UserActivityDetector::Get()->AddObserver(this);
+  if (!ui::UserActivityDetector::Get()->HasObserver(this))
+    ui::UserActivityDetector::Get()->AddObserver(this);
   ResetTimer();
 }
 
 void IdleDetector::ResetTimer() {
   if (timer_.IsRunning())
     timer_.Reset();
   else
     timer_.Start(FROM_HERE, timeout_, idle_callback_);
 }
 
 }  // namespace chromeos