Rename Launcher to Shelf.

ash/system/tray/system_tray.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_TRAY_SYSTEM_TRAY_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_
 
 #include "ash/ash_export.h"
 #include "ash/system/tray/system_tray_bubble.h"
 #include "ash/system/tray/tray_background_view.h"
@@ skipping 76 matching lines @@
 
   // Updates the items when the login status of the system changes.
   void UpdateAfterLoginStatusChange(user::LoginStatus login_status);
 
   // Updates the items when the shelf alignment changes.
   void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment);
 
   // Temporarily hides/unhides the notification bubble.
   void SetHideNotifications(bool hidden);
 
-  // Returns true if the launcher should be forced visible when auto-hidden.
-  bool ShouldShowLauncher() const;
+  // Returns true if the shelf should be forced visible when auto-hidden.
+  bool ShouldShowShelf() const;
 
   // Returns true if there is a system bubble (already visible or in the process
   // of being created).
   bool HasSystemBubble() const;
 
   // Returns true if there is a notification bubble.
   bool HasNotificationBubble() const;
 
   // Returns true if the system_bubble_ exists and is of type |type|.
   bool HasSystemBubbleType(internal::SystemTrayBubble::BubbleType type);
@@ skipping 129 matching lines @@
 
   internal::TrayAccessibility* tray_accessibility_;  // not owned
   internal::TrayDate* tray_date_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_