ash: Remove aura dependencies from ash/system/web_notification

ash/shelf/shelf.h

 // Copyright 2013 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_SHELF_SHELF_H_
 #define ASH_SHELF_SHELF_H_
 
+#include <stdint.h>
+
 #include <memory>
 
 #include "ash/ash_export.h"
 #include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/shelf_locking_manager.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/shelf/shelf_widget.h"
 #include "base/macros.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/views/widget/widget_observer.h"
@@ skipping 41 matching lines @@
   // Return the shelf for the primary display. NULL if no user is logged in yet.
   // Useful for tests. For production code use ForWindow() because the user may
   // have multiple displays.
   static Shelf* ForPrimaryDisplay();
 
   // Return the shelf for the display that |window| is currently on, or a shelf
   // on primary display if the shelf per display feature is disabled. NULL if no
   // user is logged in yet.
   static Shelf* ForWindow(const aura::Window* window);
 
+  // Returns the shelf for the display with |display_id| or null if that display
+  // does not exist or does not have a shelf.
+  static Shelf* ForDisplayId(int64_t display_id);
+
   void SetAlignment(wm::ShelfAlignment alignment);
   wm::ShelfAlignment alignment() const { return alignment_; }
   bool IsHorizontalAlignment() const;
 
   // Sets the ShelfAutoHideBehavior. See enum description for details.
   void SetAutoHideBehavior(ShelfAutoHideBehavior auto_hide_behavior);
   ShelfAutoHideBehavior auto_hide_behavior() const {
     return auto_hide_behavior_;
   }
 
@@ skipping 84 matching lines @@
 
   wm::ShelfAlignment alignment_ = wm::SHELF_ALIGNMENT_BOTTOM;
   ShelfAutoHideBehavior auto_hide_behavior_ = SHELF_AUTO_HIDE_BEHAVIOR_NEVER;
 
   DISALLOW_COPY_AND_ASSIGN(Shelf);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_H_