Rename Launcher 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/shelf/shelf_types.h"
 #include "ash/system/user/login_status.h"
@@ skipping 38 matching lines @@
   internal::StatusAreaWidgetDelegate* status_area_widget_delegate() {
     return status_area_widget_delegate_;
   }
   SystemTray* system_tray() { return system_tray_; }
   WebNotificationTray* web_notification_tray() {
     return web_notification_tray_;
   }
 
   user::LoginStatus login_status() const { return login_status_; }
 
-  // Returns true if the launcher should be visible. This is used when the
-  // launcher is configured to auto-hide and test if the shelf should force
-  // the launcher to remain visible.
-  bool ShouldShowLauncher() const;
+  // 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;
 
   // Overridden from views::Widget:
   virtual void OnNativeWidgetActivationChanged(bool active) OVERRIDE;
 
  private:
   void AddSystemTray();
   void AddWebNotificationTray();
   void AddLogoutButtonTray();
 
   // Weak pointers to View classes that are parented to StatusAreaWidget:
   internal::StatusAreaWidgetDelegate* status_area_widget_delegate_;
   SystemTray* system_tray_;
   WebNotificationTray* web_notification_tray_;
   LogoutButtonTray* logout_button_tray_;
   user::LoginStatus login_status_;
 
   DISALLOW_COPY_AND_ASSIGN(StatusAreaWidget);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_STATUS_AREA_WIDGET_H_