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

chrome/browser/chromeos/policy/recommendation_restorer.h

Index: chrome/browser/chromeos/policy/recommendation_restorer.h
diff --git a/chrome/browser/chromeos/policy/recommendation_restorer.h b/chrome/browser/chromeos/policy/recommendation_restorer.h
index 4149ddbfdc49fd3bb5dbec6e17a520df0ec7a6e4..c81b06e40c748bd1093026e3a4e4463c84cceee2 100644
--- a/chrome/browser/chromeos/policy/recommendation_restorer.h
+++ b/chrome/browser/chromeos/policy/recommendation_restorer.h
@@ -7,7 +7,6 @@
 
 #include <string>
 
-#include "ash/wm/user_activity_observer.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/prefs/pref_change_registrar.h"
@@ -15,6 +14,7 @@
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "ui/wm/core/user_activity_observer.h"
 
 class Profile;
 
@@ -28,7 +28,7 @@ namespace policy {
 // becomes idle for one minute.
 class RecommendationRestorer : public KeyedService,
                                public content::NotificationObserver,
-                               public ash::UserActivityObserver {
+                               public wm::UserActivityObserver {
  public:
   explicit RecommendationRestorer(Profile* profile);
   virtual ~RecommendationRestorer();
@@ -41,7 +41,7 @@ class RecommendationRestorer : public KeyedService,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
-  // ash::UserActivityObserver:
+  // wm::UserActivityObserver:
   virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
 
   // If a recommended value and a user setting exist for |pref_name|, clears the