Move UserActivityDetector to ui/base/user_activity/.

chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h

Index: chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h
diff --git a/chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h b/chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h
index 965e56de2c5c56ca195e2bb76144ca0746d1d776..abcdf1f4c5ef91f8055728360d06b69089457397 100644
--- a/chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h
+++ b/chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h
@@ -10,12 +10,13 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/timer/timer.h"
 #include "chromeos/dbus/power_manager_client.h"
-#include "ui/wm/core/user_activity_observer.h"
+#include "ui/base/user_activity/user_activity_observer.h"
 
 namespace chromeos {
+
 class IdleAppNameNotificationView;
 
-class KioskModeIdleAppNameNotification : public wm::UserActivityObserver,
+class KioskModeIdleAppNameNotification : public ui::UserActivityObserver,
                                          public PowerManagerClient::Observer {
  public:
   static void Initialize();
@@ -29,7 +30,7 @@ class KioskModeIdleAppNameNotification : public wm::UserActivityObserver,
   // Initialize idle app message when KioskModeHelper is initialized.
   void Setup();
 
-  // wm::UserActivityObserver overrides:
+  // ui::UserActivityObserver overrides:
   virtual void OnUserActivity(const ui::Event* event) override;
 
   // PowerManagerClient::Observer overrides: