chromeos: Rename ash::WmShelf to Shelf

ash/system/status_area_widget.h

 // Copyright (c) 2012 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_SYSTEM_STATUS_AREA_WIDGET_H_
 #define ASH_SYSTEM_STATUS_AREA_WIDGET_H_
 
 #include "ash/ash_export.h"
 #include "ash/login_status.h"
 #include "ash/public/cpp/shelf_types.h"
 #include "ash/shelf/shelf_background_animator_observer.h"
 #include "base/macros.h"
 #include "ui/views/widget/widget.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ash {
 class ImeMenuTray;
 class LockScreenActionTray;
 class LogoutButtonTray;
 class OverviewButtonTray;
 class PaletteTray;
+class Shelf;
 class StatusAreaWidgetDelegate;
 class SystemTray;
 class VirtualKeyboardTray;
 class WebNotificationTray;
-class WmShelf;
 
 class ASH_EXPORT StatusAreaWidget : public views::Widget,
                                     public ShelfBackgroundAnimatorObserver {
  public:
-  StatusAreaWidget(aura::Window* status_container, WmShelf* wm_shelf);
+  StatusAreaWidget(aura::Window* status_container, Shelf* shelf);
   ~StatusAreaWidget() override;
 
   // Creates the SystemTray, WebNotificationTray and LogoutButtonTray.
   void CreateTrayViews();
 
   // Destroys the system tray and web notification tray. Called before
   // tearing down the windows to avoid shutdown ordering issues.
   void Shutdown();
 
   // Update the alignment of the widget and tray views.
@@ skipping 10 matching lines @@
   SystemTray* system_tray() { return system_tray_; }
   WebNotificationTray* web_notification_tray() {
     return web_notification_tray_;
   }
   OverviewButtonTray* overview_button_tray() { return overview_button_tray_; }
 
   PaletteTray* palette_tray() { return palette_tray_; }
 
   ImeMenuTray* ime_menu_tray() { return ime_menu_tray_; }
 
-  WmShelf* wm_shelf() { return wm_shelf_; }
+  Shelf* shelf() { return shelf_; }
 
   LoginStatus login_status() const { return login_status_; }
 
   // Returns true if the shelf should be visible. This is used when the
   // shelf is configured to auto-hide and test if the shelf should force
   // the shelf to remain visible.
   bool ShouldShowShelf() const;
 
   // True if any message bubble is shown.
   bool IsMessageBubbleShown() const;
@@ skipping 36 matching lines @@
   OverviewButtonTray* overview_button_tray_;
   SystemTray* system_tray_;
   WebNotificationTray* web_notification_tray_;
   LockScreenActionTray* lock_screen_action_tray_;
   LogoutButtonTray* logout_button_tray_;
   PaletteTray* palette_tray_;
   VirtualKeyboardTray* virtual_keyboard_tray_;
   ImeMenuTray* ime_menu_tray_;
   LoginStatus login_status_;
 
-  WmShelf* wm_shelf_;
+  Shelf* shelf_;
 
   DISALLOW_COPY_AND_ASSIGN(StatusAreaWidget);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_STATUS_AREA_WIDGET_H_