cleanup: Remove dead code in launcher_view.

ash/launcher/launcher_view.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_LAUNCHER_LAUNCHER_VIEW_H_
 #define ASH_LAUNCHER_LAUNCHER_VIEW_H_
 
 #include <utility>
 #include <vector>
 
@@ skipping 145 matching lines @@
   // dragged to.
   std::pair<int, int> GetDragRange(int index);
 
   // If there is a drag operation in progress it's canceled. If |modified_index|
   // is valid, the new position of the corresponding item is returned.
   int CancelDrag(int modified_index);
 
   // Common setup done for all children.
   void ConfigureChildView(views::View* view);
 
-  // Returns the items whose icons are not shown because they don't fit.
-  void GetOverflowItems(std::vector<LauncherItem>* items);
-
   // Shows the overflow menu.
   void ShowOverflowBubble();
 
   // Update first launcher button's padding. This method adds padding to the
   // first button to include the leading inset. It needs to be called once on
   // button creation and every time when shelf alignment is changed.
   void UpdateFirstButtonPadding();
 
   // Overridden from views::View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
@@ skipping 96 matching lines @@
   // alignment).
   int leading_inset_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherView);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_LAUNCHER_VIEW_H_