mac: Remove unused includes of scoped_nsobject.h.

chrome/browser/ui/cocoa/tabs/throbber_view.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 CHROME_BROWSER_UI_COCOA_TABS_THROBBER_VIEW_H_
 #define CHROME_BROWSER_UI_COCOA_TABS_THROBBER_VIEW_H_
 
 #import <Cocoa/Cocoa.h>
 
-#include "base/mac/scoped_nsobject.h"
-
 @protocol ThrobberDataDelegate;
 
 // A class that knows how to draw an animated state to indicate progress.
 // Creating the class starts the animation, destroying it stops it. There are
 // two types:
 //
 // - Filmstrip: Draws via a sequence of frames in an image. There is no state
 //   where the class is frozen on an image and not animating. The image needs to
 //   be made of squares such that the height divides evenly into the width.
 //
@@ skipping 10 matching lines @@
                                image:(NSImage*)image;
 
 // Creates a toast view with |frame| and specified images.
 + (id)toastThrobberViewWithFrame:(NSRect)frame
                      beforeImage:(NSImage*)beforeImage
                       afterImage:(NSImage*)afterImage;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_TABS_THROBBER_VIEW_H_