mac: Remove unused includes of scoped_nsobject.h.

chrome/browser/ui/cocoa/tabs/throbber_view.mm

 // Copyright (c) 2009 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/tabs/throbber_view.h"
 
 #include <set>
 
 #include "base/logging.h"
+#include "base/mac/scoped_nsobject.h"
 
 static const float kAnimationIntervalSeconds = 0.03;  // 30ms, same as windows
 
 @interface ThrobberView(PrivateMethods)
 - (id)initWithFrame:(NSRect)frame delegate:(id<ThrobberDataDelegate>)delegate;
 - (void)maintainTimer;
 - (void)animate;
 @end
 
 @protocol ThrobberDataDelegate <NSObject>
@@ skipping 343 matching lines @@
     [[ThrobberTimer sharedThrobberTimer] removeThrobber:self];
   }
 }
 
 // Overridden to draw the appropriate frame in the image strip.
 - (void)drawRect:(NSRect)rect {
   [dataDelegate_ drawFrameInRect:[self bounds]];
 }
 
 @end