mash: Move shelf model and item classes to ash/common/shelf

ash/test/shelf_item_delegate_manager_test_api.cc

 // 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.
 
 #include "ash/test/shelf_item_delegate_manager_test_api.h"
 
-#include "ash/shelf/shelf_item_delegate.h"
-#include "ash/shelf/shelf_item_delegate_manager.h"
+#include "ash/common/shelf/shelf_item_delegate.h"
+#include "ash/common/shelf/shelf_item_delegate_manager.h"
 #include "base/stl_util.h"
 
 namespace ash {
 namespace test {
 
 ShelfItemDelegateManagerTestAPI::ShelfItemDelegateManagerTestAPI(
     ShelfItemDelegateManager* manager)
     : manager_(manager) {
   DCHECK(manager_);
 }
 
 void ShelfItemDelegateManagerTestAPI::RemoveAllShelfItemDelegateForTest() {
   STLDeleteContainerPairSecondPointers(
       manager_->id_to_item_delegate_map_.begin(),
       manager_->id_to_item_delegate_map_.end());
   manager_->id_to_item_delegate_map_.clear();
 }
 
 }  // namespace test
 }  // namespace ash