Rename Launcher to Shelf.

ash/system/tray/system_tray_bubble.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_BUBBLE_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_BUBBLE_H_
 
 #include "ash/system/user/login_status.h"
 #include "base/base_export.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 41 matching lines @@
   void DestroyItemViews();
   void BubbleViewDestroyed();
   void StartAutoCloseTimer(int seconds);
   void StopAutoCloseTimer();
   void RestartAutoCloseTimer();
   void Close();
   void SetVisible(bool is_visible);
   bool IsVisible();
 
   // Returns true if any of the SystemTrayItems return true from
-  // ShouldShowLauncher().
-  bool ShouldShowLauncher() const;
+  // ShouldShowShelf().
+  bool ShouldShowShelf() const;
 
  private:
   void CreateItemViews(user::LoginStatus login_status);
 
   ash::SystemTray* tray_;
   views::TrayBubbleView* bubble_view_;
   std::vector<ash::SystemTrayItem*> items_;
   BubbleType bubble_type_;
 
   int autoclose_delay_;
   base::OneShotTimer<SystemTrayBubble> autoclose_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemTrayBubble);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_BUBBLE_H_