mash: Move ShelfModel* to ash/public/cpp.

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 <memory>
 
 #include "ash/ash_constants.h"
 #include "ash/drag_drop/drag_image_view.h"
 #include "ash/public/cpp/config.h"
 #include "ash/public/cpp/shelf_item_delegate.h"
+#include "ash/public/cpp/shelf_model.h"
 #include "ash/scoped_root_window_for_new_windows.h"
 #include "ash/screen_util.h"
 #include "ash/shelf/app_list_button.h"
 #include "ash/shelf/overflow_bubble.h"
 #include "ash/shelf/overflow_bubble_view.h"
 #include "ash/shelf/overflow_button.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_application_menu_model.h"
 #include "ash/shelf/shelf_button.h"
 #include "ash/shelf/shelf_constants.h"
-#include "ash/shelf/shelf_model.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_port.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/wm/root_window_finder.h"
 #include "base/auto_reset.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "ui/accessibility/ax_node_data.h"
@@ skipping 1801 matching lines @@
   if (pointer == TOUCH &&
       (base::TimeTicks::Now() - touch_press_time_) <
           base::TimeDelta::FromMilliseconds(kTouchDragTimeThresholdMs)) {
     return false;
   }
 
   return true;
 }
 
 }  // namespace ash