mac: Update clients of scoped_nsobject.h.

ui/app_list/cocoa/apps_collection_view_drag_manager.h

 // Copyright 2013 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.
 
 #ifndef UI_APP_LIST_COCOA_APPS_COLLECTION_VIEW_DRAG_MANAGER_H_
 #define UI_APP_LIST_COCOA_APPS_COLLECTION_VIEW_DRAG_MANAGER_H_
 
 #import <Cocoa/Cocoa.h>
 
-#include "base/memory/scoped_nsobject.h"
+#include "base/mac/scoped_nsobject.h"
 #include "ui/app_list/app_list_export.h"
 
 @class AppsGridController;
 @class ItemDragController;
 
 // Manager for the state associated with dragging an NSCollectionViewItem in the
 // AppsGridController. It is also a factory for the NSCollectionView pages in
 // the grid, allowing items to be dragged between pages.
 APP_LIST_EXPORT
 @interface AppsCollectionViewDragManager : NSObject {
  @private
-  scoped_nsobject<ItemDragController> itemDragController_;
+  base::scoped_nsobject<ItemDragController> itemDragController_;
   AppsGridController* gridController_;  // Weak. Owns us.
 
   NSSize cellSize_;
   size_t rows_;
   size_t columns_;
 
   // Index of the last known position of the item currently being dragged.
   size_t itemDragIndex_;
 
   // Model index of the item being dragged, or NSNotFound if nothing was hit on
@@ skipping 22 matching lines @@
 @interface AppsCollectionViewDragManager (TestingAPI)
 
 - (void)onMouseDownInPage:(NSCollectionView*)page
                 withEvent:(NSEvent*)theEvent;
 - (void)onMouseDragged:(NSEvent*)theEvent;
 - (void)onMouseUp:(NSEvent*)theEvent;
 
 @end
 
 #endif  // UI_APP_LIST_COCOA_APPS_COLLECTION_VIEW_DRAG_MANAGER_H_