Remove unused ShelfModelObserver::ShelfStatusChanged()

ash/shelf/shelf_view.cc

 // 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.
 
 #include "ash/shelf/shelf_view.h"
 
 #include <algorithm>
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
@@ skipping 1568 matching lines @@
 void ShelfView::ShelfItemMoved(int start_index, int target_index) {
   view_model_->Move(start_index, target_index);
   // When cancelling a drag due to a shelf item being added, the currently
   // dragged item is moved back to its initial position. AnimateToIdealBounds
   // will be called again when the new item is added to the |view_model_| but
   // at this time the |view_model_| is inconsistent with the |model_|.
   if (!cancelling_drag_model_changed_)
     AnimateToIdealBounds();
 }
 
-void ShelfView::ShelfStatusChanged() {
-  // Nothing to do here.
-}
-
 void ShelfView::PointerPressedOnButton(views::View* view,
                                        Pointer pointer,
                                        const ui::LocatedEvent& event) {
   if (drag_view_)
     return;
 
   int index = view_model_->GetIndexOfView(view);
   if (index == -1)
     return;
 
@@ skipping 356 matching lines @@
 
 int ShelfView::CalculateShelfDistance(const gfx::Point& coordinate) const {
   const gfx::Rect bounds = GetBoundsInScreen();
   int distance = shelf_->SelectValueForShelfAlignment(
       bounds.y() - coordinate.y(), coordinate.x() - bounds.right(),
       bounds.x() - coordinate.x(), coordinate.y() - bounds.bottom());
   return distance > 0 ? distance : 0;
 }
 
 }  // namespace ash