Replace scoped_ptr with std::unique_ptr in //ui

ui/app_list/cocoa/app_list_view_controller.h

Index: ui/app_list/cocoa/app_list_view_controller.h
diff --git a/ui/app_list/cocoa/app_list_view_controller.h b/ui/app_list/cocoa/app_list_view_controller.h
index 6e8534e24b0566b15ee535b714267b2ce4ed3b6f..664f6a5c2995a4550e1bb917353ccefd890507a3 100644
--- a/ui/app_list/cocoa/app_list_view_controller.h
+++ b/ui/app_list/cocoa/app_list_view_controller.h
@@ -7,8 +7,9 @@
 
 #import <Cocoa/Cocoa.h>
 
+#include <memory>
+
 #include "base/mac/scoped_nsobject.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/app_list/app_list_export.h"
 #import "ui/app_list/cocoa/apps_pagination_model_observer.h"
 #import "ui/app_list/cocoa/apps_search_box_controller.h"
@@ -53,7 +54,7 @@ APP_LIST_EXPORT
 
   app_list::AppListViewDelegate* delegate_;  // Weak. Owned by AppListService.
 
-  scoped_ptr<app_list::AppListModelObserverBridge>
+  std::unique_ptr<app_list::AppListModelObserverBridge>
       app_list_model_observer_bridge_;
   BOOL showingSearchResults_;
 }