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

ash/system/status_area_widget.h

Index: ash/system/status_area_widget.h
diff --git a/ash/system/status_area_widget.h b/ash/system/status_area_widget.h
index ce4eeb0fe8ad9edfff85fd35eb3d95ec420306a4..14a9caa2f1459fce65d297e0d6c29de10a7d3d29 100644
--- a/ash/system/status_area_widget.h
+++ b/ash/system/status_area_widget.h
@@ -82,6 +82,15 @@ class ASH_EXPORT StatusAreaWidget : public views::Widget {
 #endif
   void AddOverviewButtonTray();
 
+  // Calculate the border insets for trays (ex: notification, overview) for both

[tdanderson, 2016/06/29 17:46:19]

nit: "non-MD"

nit: "for tray items" instead of "for trays"

[yiyix, 2016/06/29 18:56:39]

Done.

+  // MD and no-MD.
+  void CalculateBorderMD(gfx::Insets* insets,
+                         ShelfAlignment alignment,
+                         bool is_on_edge);
+  void CalculateBorderNonMD(gfx::Insets* insets,
+                            ShelfAlignment alignment,
+                            bool is_overview);
+
   // Weak pointers to View classes that are parented to StatusAreaWidget:
   StatusAreaWidgetDelegate* status_area_widget_delegate_;
   OverviewButtonTray* overview_button_tray_;