mac: Update clients of scoped_nsobject.h.

chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
 
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_animation.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet_controller.h"
 
 @implementation CustomConstrainedWindowSheet
 
 - (id)initWithCustomWindow:(NSWindow*)customWindow {
   if ((self = [super init])) {
     customWindow_.reset([customWindow retain]);
   }
   return self;
 }
 
 - (void)showSheetForWindow:(NSWindow*)window {
-  scoped_nsobject<NSAnimation> animation(
+  base::scoped_nsobject<NSAnimation> animation(
       [[ConstrainedWindowAnimationShow alloc] initWithWindow:customWindow_]);
   [window addChildWindow:customWindow_
                  ordered:NSWindowAbove];
   [self unhideSheet];
   [self updateSheetPosition];
   [customWindow_ makeKeyAndOrderFront:nil];
   [animation startAnimation];
 }
 
 - (void)closeSheetWithAnimation:(BOOL)withAnimation {
   if (withAnimation) {
-    scoped_nsobject<NSAnimation> animation(
+    base::scoped_nsobject<NSAnimation> animation(
         [[ConstrainedWindowAnimationHide alloc] initWithWindow:customWindow_]);
     [animation startAnimation];
   }
 
   [[customWindow_ parentWindow] removeChildWindow:customWindow_];
   [customWindow_ close];
 }
 
 - (void)hideSheet {
   [customWindow_ setAlphaValue:0.0];
 }
 
 - (void)unhideSheet {
   [customWindow_ setAlphaValue:1.0];
 }
 
 - (void)pulseSheet {
-  scoped_nsobject<NSAnimation> animation(
+  base::scoped_nsobject<NSAnimation> animation(
       [[ConstrainedWindowAnimationPulse alloc] initWithWindow:customWindow_]);
   [animation startAnimation];
 }
 
 - (void)makeSheetKeyAndOrderFront {
   [customWindow_ makeKeyAndOrderFront:nil];
 }
 
 - (void)updateSheetPosition {
   ConstrainedWindowSheetController* controller =
       [ConstrainedWindowSheetController controllerForSheet:self];
   NSPoint origin = [controller originForSheet:self
                                withWindowSize:[customWindow_ frame].size];
   [customWindow_ setFrameOrigin:origin];
 }
 
 @end