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

chrome/browser/chromeos/system/automatic_reboot_manager.h

Index: chrome/browser/chromeos/system/automatic_reboot_manager.h
diff --git a/chrome/browser/chromeos/system/automatic_reboot_manager.h b/chrome/browser/chromeos/system/automatic_reboot_manager.h
index 83e5398c336022e312f05a781997184a1e06cefa..6e1adb50ae0bf2b2669a1e5623d877061475efd0 100644
--- a/chrome/browser/chromeos/system/automatic_reboot_manager.h
+++ b/chrome/browser/chromeos/system/automatic_reboot_manager.h
@@ -5,7 +5,6 @@
 #ifndef CHROME_BROWSER_CHROMEOS_SYSTEM_AUTOMATIC_REBOOT_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_SYSTEM_AUTOMATIC_REBOOT_MANAGER_H_
 
-#include "ash/wm/user_activity_observer.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ -18,6 +17,7 @@
 #include "chromeos/dbus/update_engine_client.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "ui/wm/core/user_activity_observer.h"
 
 class PrefRegistrySimple;
 
@@ -72,7 +72,7 @@ class AutomaticRebootManagerObserver;
 // /var/run ensures that it gets cleared automatically on every boot.
 class AutomaticRebootManager : public PowerManagerClient::Observer,
                                public UpdateEngineClient::Observer,
-                               public ash::UserActivityObserver,
+                               public wm::UserActivityObserver,
                                public content::NotificationObserver {
  public:
   // The current uptime and the uptime at which an update was applied and a
@@ -103,7 +103,7 @@ class AutomaticRebootManager : public PowerManagerClient::Observer,
   virtual void UpdateStatusChanged(
       const UpdateEngineClient::Status& status) OVERRIDE;
 
-  // ash::UserActivityObserver:
+  // wm::UserActivityObserver:
   virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
 
   // content::NotificationObserver: