Fix shelf layout when switching from left-aligned shelf to right-aligned shelf

ash/system/status_area_widget_delegate.h

Index: ash/system/status_area_widget_delegate.h
diff --git a/ash/system/status_area_widget_delegate.h b/ash/system/status_area_widget_delegate.h
index 38c284459b6aa41800d674408dd59f62ecfdd644..4dfa668787e1eede699f656389d455502461aeb9 100644
--- a/ash/system/status_area_widget_delegate.h
+++ b/ash/system/status_area_widget_delegate.h
@@ -55,11 +55,6 @@ class ASH_EXPORT StatusAreaWidgetDelegate : public views::AccessiblePaneView,
  private:
   void UpdateWidgetSize();
 
-  // Sets a border on |child|. If |extend_border_to_edge| is true, then an extra
-  // wide border is added to extend the view's hit region to the edge of the
-  // screen.
-  void SetBorderOnChild(views::View* child, bool extend_border_to_edge);
-
   const FocusCycler* focus_cycler_for_testing_;
   ShelfAlignment alignment_;