mac: Update clients of scoped_nsobject.h.

chrome/browser/ui/cocoa/history_overlay_controller.h

 // Copyright (c) 2012 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 CHROME_BROWSER_UI_COCOA_OVERLAY_PANEL_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_OVERLAY_PANEL_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
-#include "base/memory/scoped_nsobject.h"
+#include "base/mac/scoped_nsobject.h"
 
 @class HistoryOverlayView;
 
 enum HistoryOverlayMode {
   kHistoryOverlayModeBack,
   kHistoryOverlayModeForward
 };
 
 // The HistoryOverlayController manages a view that is inserted atop the web
 // contents to provide visual feedback when the user is performing history
 // navigation gestures.
 @interface HistoryOverlayController : NSViewController {
  @private
   HistoryOverlayMode mode_;
   // Strongly typed reference of self.view.
-  scoped_nsobject<HistoryOverlayView> contentView_;
+  base::scoped_nsobject<HistoryOverlayView> contentView_;
   // The view above which self.view is inserted as a subview.
-  scoped_nsobject<NSView> parent_;
+  base::scoped_nsobject<NSView> parent_;
 }
 
 // Designated initializer.
 - (id)initForMode:(HistoryOverlayMode)mode;
 
 // Shows the shield above |view|.
 - (void)showPanelForView:(NSView*)view;
 
 // Updates the appearance of the overlay based on track gesture progress.
 - (void)setProgress:(CGFloat)gestureAmount;
 
 // Fades the shield out and removes it from the view hierarchy.
 - (void)dismiss;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_OVERLAY_PANEL_CONTROLLER_H_