[Chrome OS MD] Draw a 1px separator between 2 tray items

ash/aura/wm_shelf_aura.h

Index: ash/aura/wm_shelf_aura.h
diff --git a/ash/aura/wm_shelf_aura.h b/ash/aura/wm_shelf_aura.h
index 86d5186117ea806295fa1ca755e05909ef148c6f..36533718e00ea82e89a8de768a9cb78c207b790c 100644
--- a/ash/aura/wm_shelf_aura.h
+++ b/ash/aura/wm_shelf_aura.h
@@ -16,6 +16,7 @@ namespace ash {
 
 class Shelf;
 class ShelfLayoutManager;
+class StatusAreaWidget;

[James Cook, 2016/08/11 20:36:54]

nit: not needed (in general, if an interface from which you inherit makes a
reference to a type you don't need to forward declare it yourself)

[yiyix, 2016/08/18 00:42:59]

Done.

 
 // Aura implementation of WmShelf.
 class ASH_EXPORT WmShelfAura : public WmShelf,
@@ -62,6 +63,7 @@ class ASH_EXPORT WmShelfAura : public WmShelf,
   bool ProcessGestureEvent(const ui::GestureEvent& event) override;
   void AddObserver(WmShelfObserver* observer) override;
   void RemoveObserver(WmShelfObserver* observer) override;
+  StatusAreaWidget* GetStatusAreaWidget() override;
   void SetKeyboardBoundsForTesting(const gfx::Rect& bounds) override;
   ShelfLockingManager* GetShelfLockingManagerForTesting() override;
   ShelfView* GetShelfViewForTesting() override;