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

ash/common/shelf/wm_shelf.h

 // Copyright 2016 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_COMMON_SHELF_WM_SHELF_H_
 #define ASH_COMMON_SHELF_WM_SHELF_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/shelf/shelf_types.h"
 #include "ash/shelf/shelf_layout_manager_observer.h"
 #include "base/observer_list.h"
 
 namespace gfx {
 class Rect;
 }
 
 namespace ui {
 class GestureEvent;
 }
 
 namespace ash {
 
 class Shelf;
 class ShelfLayoutManager;
 class ShelfLockingManager;
 class ShelfView;
+class StatusAreaWidget;
 class WmDimmerView;
 class WmShelfObserver;
 class WmWindow;
 
 // Used for accessing global state.
 class ASH_EXPORT WmShelf : public ShelfLayoutManagerObserver {
  public:
   void SetShelf(Shelf* shelf);
   void ClearShelf();
   Shelf* shelf() const { return shelf_; }
@@ skipping 67 matching lines @@
   // Handles a gesture |event| coming from a source outside the shelf widget
   // (e.g. the status area widget). Allows support for behaviors like toggling
   // auto-hide with a swipe, even if that gesture event hits another window.
   // Returns true if the event was handled.
   bool ProcessGestureEvent(const ui::GestureEvent& event);
 
   void AddObserver(WmShelfObserver* observer);
   void RemoveObserver(WmShelfObserver* observer);
 
   void NotifyShelfIconPositionsChanged();
+  StatusAreaWidget* GetStatusAreaWidget();

[yoshiki, 2016/08/18 08:39:08]

nit: Please make this const method.

[yiyix, 2016/08/18 20:01:42]

Done.

 
   void SetVirtualKeyboardBoundsForTesting(const gfx::Rect& bounds);
   ShelfLockingManager* GetShelfLockingManagerForTesting();
   ShelfView* GetShelfViewForTesting();
 
  protected:
   WmShelf();
   ~WmShelf() override;
 
   // ShelfLayoutManagerObserver:
@@ skipping 13 matching lines @@
   ShelfLayoutManager* shelf_layout_manager_ = nullptr;
 
   base::ObserverList<WmShelfObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(WmShelf);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SHELF_WM_SHELF_H_