Fix status area tray spacing.

ash/system/tray/tray_background_view.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 ASH_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
 #define ASH_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "ash/launcher/background_animator.h"
 #include "ash/system/tray/tray_views.h"
@@ skipping 70 matching lines @@
       bool value,
       internal::BackgroundAnimator::ChangeType change_type);
 
   StatusAreaWidget* status_area_widget() {
     return status_area_widget_;
   }
   TrayContainer* tray_container() const { return tray_container_; }
   ShelfAlignment shelf_alignment() const { return shelf_alignment_; }
 
  private:
-  void SetBorder();
-
   // Unowned pointer to parent widget.
   StatusAreaWidget* status_area_widget_;
 
   // Convenience pointer to the contents view.
   TrayContainer* tray_container_;
 
   // Shelf alignment.
   ShelfAlignment shelf_alignment_;
 
   // Owned by the view passed to SetContents().
   internal::TrayBackground* background_;
 
   internal::BackgroundAnimator hide_background_animator_;
   internal::BackgroundAnimator hover_background_animator_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayBackgroundView);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_