mac: Update clients of scoped_nsobject.h.

ui/base/cocoa/tracking_area.h

 // Copyright (c) 2011 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_BASE_COCOA_TRACKING_AREA_H_
 #define UI_BASE_COCOA_TRACKING_AREA_H_
 
 #import <AppKit/AppKit.h>
 
-#include "base/memory/scoped_nsobject.h"
+#include "base/mac/scoped_nsobject.h"
 #include "ui/base/ui_export.h"
 
 @class CrTrackingAreaOwnerProxy;
 
 // The CrTrackingArea can be used in place of an NSTrackingArea to shut off
 // messaging to the |owner| at a specific point in time.
 UI_EXPORT
 @interface CrTrackingArea : NSTrackingArea {
  @private
-  scoped_nsobject<CrTrackingAreaOwnerProxy> ownerProxy_;
+  base::scoped_nsobject<CrTrackingAreaOwnerProxy> ownerProxy_;
 }
 
 // Designated initializer. Forwards all arguments to the superclass, but wraps
 // |owner| in a proxy object.
 - (id)initWithRect:(NSRect)rect
            options:(NSTrackingAreaOptions)options
              owner:(id)owner
           userInfo:(NSDictionary*)userInfo;
 
 // Prevents any future messages from being delivered to the |owner|.
@@ skipping 18 matching lines @@
   ~ScopedCrTrackingArea();
 
   // This will call |scoped_nsobject<>::reset()| to take ownership of the new
   // tracking area.  Note that -clearOwner is NOT called on the existing
   // tracking area.
   void reset(CrTrackingArea* tracking_area = nil);
 
   CrTrackingArea* get() const;
 
  private:
-  scoped_nsobject<CrTrackingArea> tracking_area_;
+  base::scoped_nsobject<CrTrackingArea> tracking_area_;
   DISALLOW_COPY_AND_ASSIGN(ScopedCrTrackingArea);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_COCOA_TRACKING_AREA_H_