[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"
 
 namespace gfx {
 class Rect;
 }
 
 namespace ui {
 class GestureEvent;
 }
 
 namespace ash {
 
 class ShelfLockingManager;
 class ShelfView;
 class WmDimmerView;
 class WmShelfObserver;
 class WmWindow;
+class StatusAreaWidget;

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

nit: alphabetize

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

Done.

 
 // Used for accessing global state.
 class ASH_EXPORT WmShelf {
  public:
   // Returns the window showing the shelf.
   virtual WmWindow* GetWindow() = 0;
 
   virtual ShelfAlignment GetAlignment() const = 0;
   virtual void SetAlignment(ShelfAlignment alignment) = 0;
 
@@ skipping 59 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.
   virtual bool ProcessGestureEvent(const ui::GestureEvent& event) = 0;
 
   virtual void AddObserver(WmShelfObserver* observer) = 0;
   virtual void RemoveObserver(WmShelfObserver* observer) = 0;
 
+  virtual StatusAreaWidget* GetStatusAreaWidget() = 0;
+
   // Simulates a virtual keyboard bounds update.
   virtual void SetKeyboardBoundsForTesting(const gfx::Rect& bounds) = 0;
 
   virtual ShelfLockingManager* GetShelfLockingManagerForTesting() = 0;
   virtual ShelfView* GetShelfViewForTesting() = 0;
 
  protected:
   virtual ~WmShelf() {}
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SHELF_WM_SHELF_H_