Simplify ash shelf layout code.

ash/shelf/shelf.h

 // Copyright 2013 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_SHELF_SHELF_H_
 #define ASH_SHELF_SHELF_H_
 
 #include "ash/ash_export.h"
 #include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/shelf_types.h"
@@ skipping 106 matching lines @@
   // A negative index launches the last shelf item in the shelf.
   void LaunchAppIndexAt(int item_index);
 
   ShelfWidget* shelf_widget() { return shelf_widget_; }
 
   // TODO(msw): ShelfLayoutManager should not be accessed externally.
   ShelfLayoutManager* shelf_layout_manager() {
     return shelf_widget_->shelf_layout_manager();
   }
 
-  // Set the bounds of the shelf view.
-  void SetShelfViewBounds(gfx::Rect bounds);
-  gfx::Rect GetShelfViewBounds() const;
-
   // Returns rectangle bounding all visible shelf items. Used screen coordinate
   // system.
   gfx::Rect GetVisibleItemsBoundsInScreen() const;
 
   // Returns ApplicationDragAndDropHost for this shelf.
   app_list::ApplicationDragAndDropHost* GetDragAndDropHostForAppList();
 
  private:
   friend class test::ShelfTestAPI;
 
   // ShelfView used to display icons.
   ShelfView* shelf_view_;
 
   ShelfAlignment alignment_;
 
   ShelfDelegate* delegate_;
 
   ShelfWidget* shelf_widget_;
 
   DISALLOW_COPY_AND_ASSIGN(Shelf);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_H_