mash: Remove ShelfDelegate; move functions to ShelfModel.

ash/test/shelf_view_test_api.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/test/shelf_view_test_api.h"
 
 #include "ash/shelf/overflow_button.h"
 #include "ash/shelf/shelf_button.h"
 #include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/shelf_model.h"
@@ skipping 132 matching lines @@
                                      const ui::Event& event,
                                      views::InkDrop* ink_drop) {
   return shelf_view_->ButtonPressed(sender, event, ink_drop);
 }
 
 bool ShelfViewTestAPI::SameDragType(ShelfItemType typea,
                                     ShelfItemType typeb) const {
   return shelf_view_->SameDragType(typea, typeb);
 }
 
-void ShelfViewTestAPI::SetShelfDelegate(ShelfDelegate* delegate) {
-  shelf_view_->delegate_ = delegate;
-}
-
 gfx::Rect ShelfViewTestAPI::GetBoundsForDragInsertInScreen() {
   return shelf_view_->GetBoundsForDragInsertInScreen();
 }
 
 bool ShelfViewTestAPI::IsRippedOffFromShelf() {
   return shelf_view_->dragged_off_shelf_;
 }
 
 bool ShelfViewTestAPI::DraggedItemFromOverflowToShelf() {
   return shelf_view_->dragged_off_from_overflow_to_shelf_;
 }
 
 ShelfButtonPressedMetricTracker*
 ShelfViewTestAPI::shelf_button_pressed_metric_tracker() {
   return &(shelf_view_->shelf_button_pressed_metric_tracker_);
 }
 
 }  // namespace test
 }  // namespace ash